Balzani E, Fanelli A, Tarricone I, Muratori R, Campesato M, et al. (2022) Psychological and attitudinal assessment of patients with Fibromyalgia undergoing antalgic management: a short report. Open J Pain Med 6(1): 024-029.


Keessen P, Kan KJ, Ter Riet G, Visser B, Jørstad H, Latour C, van Duijvenbode I, Scholte Op Reimer W. Impact of kinesiophobia on initiation of cardiac rehabilitation: a prospective cohort path analysis. BMJ Open. 2022 Nov 25;12(11):e066435.

Oliveira CAd, Weber B, dos Santos JLF, Zucoloto ML, de Camargo LL, et al. (2022) Health complexity assessment in primary care: A validity and feasibility study of the INTERMED tool. PLOS ONE 17(2): e0263702.

Fiore G, Ferrari S, Cutino A, Giorgino C, Valeo L, Galeazzi GM, Marchi M. Delirium in COVID-19 and post-liver transplant patients: an observational study. Int J Psychiatry Clin Pract. 2022 Jan 21:1-9.

Corminboeuf, Y., Wild, B., Zdrojewski, C. et al. BMI Course Over 10 Years After Bariatric Surgery and Biopsychosocial Complexity Assessed with the INTERMED: a Retrospective Study. OBES SURG 31, 3996–4004 (2021).

Van Der Linde M, Baas D, Vervest A, De Niet G. Quality of care in biopsychosocial complexity.
Risks and health care needs of patients with psychiatric comorbity scheduled for elective surgery: the INTERMED Self-Assessment questionnaire. 2019
link to poster

Thurber S, Wilson A, Realmuto G, Specker S. The relationship between the INTERMED patient complexity instrument and Level of Care Utilisation System (LOCUS). Int J Psychiatry Clin Pract. 2017 Jul 20:1-3. doi: 10.1080/13651501.2017.1353635. [Epub ahead of print]

Stiefel F, Ferrari S, Slaets J. Letter to the Editor – The INTERMED as a complexity assessment and intervention tool. 

Yoshida S, Matsushima M, Wakabayashi H, Mutai R, Murayama S, Hayashi T, Ichikawa H, Nakano Y, Watanabe T, Fujinuma Y: Validity and reliability of the Patient Centred Assessment Method for patient complexity and relationship with hospital length of stay: a prospective cohort study. BMJ Open. 2017 May 9;7(5):e016175. doi: 10.1136/bmjopen-2017-016175.

Van Eck Van der Sluijs JF, de Vroege L, van Manen AS, Rijnders CAT, van der Feltz-Cornelis CM. Complexity Assessed by the INTERMED in Patients With Somatic Symptom Disorder Visiting a Specialized Outpatient Mental Health Care Setting: A Cross-sectional Study. Psychosomatics. 2017 Jul – Aug;58(4):427-436. doi: 10.1016/j.psym.2017.02.008. Epub 2017 Feb 21

Van Reedt Dortland A, Peters L, Boenink A, Smit J, Slaets J, Hoogendoorn A, Joos A, Latour C, Stiefel F, Burrus C, Guitteny-Collas M, Ferrari S.
Assessment of biopsychosocial complexity and health care needs: measurement properties of the INTERMED self-assessment version (IMSA).
Psychosomatic Medicine.  2016

Wolfensberger A, Vuistiner P, Konzelmann M, Plomb-Holmes C, Léger B, Luthi F. Clinician and Patient-reported Outcomes Are Associated With Psychological Factors in Patients With Chronic Shoulder Pain. Clin Orthop Relat Res. 2016 Sep;474(9):2030-9

Boehlen FH, Joos A, Bergmann F, Stiefel F, Eichenlaub J, Ferrari S, Boenink A, Reedt Dortland A, Stein B, Söllner W, Wild B.
Evaluation der deutschprachigen Version des ,,INTERMED-Self-Assessment”- Fragebogens (IM-SA) zur Erfassung von Patienten mit komplexen Versorgungsbedarf.
Psychother Psych Med 2016; 66(05): 180-186 (German)

Luthi F, Deriaz O, Vuistiner P, Burrus C, Hilfiker R. Predicting non return to work after orthopaedic trauma: the Wallis Occupational Rehabilitation RisK (WORRK) model. PLoS One. 2014 Apr 9;9(4):e94268. Doi 10.

Wild B, Heider D, Maatouk I, Slaets J, König HH, Niehoff D, Saum KU, Brenner H, Söllner W, Herzog W.
Significance and costs of complex biopsychosocial health care needs in elderly people: results of a population-based study.
Psychosom Med. 2014 Sep;76(7):497-502

Matzer F, Wisiak UV, Graninger M, Söllner W, Stilling HP, et al.
Biopsychosocial Health Care Needs at the Emergency Room: Challenge of Complexity.
PLoS ONE. 2012;7(8)

Wild B, Lechner S, Herzog W, Maatouk I, Wesche D, Raum E, Müller H, Brenner H, Slaets J, Huyse F, Söllner W.
Reliable integrative assessment of health care needs in elderly persons: The INTERMED for the Elderly (IM-E).
J Psychosom Res. 2011;70:169-178.

Lobo E, Rabanaque MJ, Bellido ML,  Lobo A.
Reliability of INTERMED Spanish version and applicability in liver transplant patients: a cross-sectional study.
BMC Health Services Research 2011, 11:160

Vouilloz A, Deriaz O, Rivier G, Gobelet C, Luthi F. Biopsychosocial complexity is correlated with psychiatric comorbidity but not with perceived pain in complex regional syndrome type 1 of the knee. Joint Bone Spine 2011; 78(2): 194-9

Burrus C, Ballabeni P, Deriaz O, Gobelet C, Luthi F.
Predictors of nonresponse in a questionnaire-based outcome study of vocational rehabilitation patients.
Arch Phys Med Rehabil. 2009 Sep;90(9):1499-505.

Huyse FJ.
Farewell to C-L? Time for a change?
J Psychosom Res. 2009 Jun;66(6):541-4

Lobo E, de Jonge P, Huyse FJ, Rabanaque MJ, Suv°rez J, Lobo A.
Early prediction of psychosocial intervention needs in pneumology patients after nurses’ evaluation.
Med Clin (Barc). 2008 Nov 29;131(19):731-6. (Spanish)

Stiefel F, Zdrojewski C, Bel Hadj F, Boffa D, Dorogi Y, So A, Ruiz J, de Jonge P.
Effects of a multifaceted psychiatric intervention targeted for the complex medically ill: a randomized controlled trial.
Psychother Psychosom. 2008;77(4):247-56. Epub 2008 Apr 28.

Latour CH, Huyse FJ, de Vos R, Stalman WA.
A method to provide integrated care for complex medically ill patients: the INTERMED.
Nurs Health Sci. 2007 Jun;9(2):150-7. Review

Lobo E, De Jonge P, Huyse FJ, Slaets JP, Rabanaque MJ, Lobo A.
Early detection of pneumology inpatients at risk of extended hospital stay and need for psychosocial treatment.
Psychosom Med. 2007 Jan;69(1):99-105.

Scerri M, de Goumov´ns P, Fritsch C, Van Melle G, Stiefel F, So A.
The INTERMED questionnaire for predicting return to work after a multidisciplinary rehabilitation program for chronic low back pain.
Joint Bone Spine. 2006 Dec;73(6):736-41. Epub 2006 Jul 7.

Stiefel FC, Huyse FJ, Sv?llner W, Slaets JP, Lyons JS, Latour CH, van der Wal N, de Jonge P.
Operationalizing integrated care on a clinical level: the INTERMED project.
Med Clin North Am. 2006 Jul;90(4):713-58. Review.

de Jonge P, Huyse FJ, Stiefel FC.
Case and care complexity in the medically ill.
Med Clin North Am. 2006 Jul;90(4):679-92. Review.

Huyse FJ, Stiefel FC, de Jonge P.
Identifiers, or “red flags,” of complexity and need for integrated care.
Med Clin North Am. 2006 Jul;90(4):703-12.

De Jonge P, Huyse FJ, Slaets JP, Sv?llner W, Stiefel FC.
Operationalization of biopsychosocial case complexity in general health care: the INTERMED project.
Aust N Z J Psychiatry. 2005 Sep;39(9):795-9.

Kishi Y, Meller WH, Kathol RG, Swigart SE.
Factors affecting the relationship between the timing of psychiatric consultation and general hospital length of stay.
Psychosomatics. 2004 Nov-Dec;45(6):470-6.

De Jonge P, Hoogervorst EL, Huyse FJ, Polman CH.
INTERMED: a measure of biopsychosocial case complexity: one year stability in Multiple Sclerosis patients.
Gen Hosp Psychiatry. 2004 Mar-Apr;26(2):147-52.

De Jonge P, Latour CH, Huyse FJ.
Implementing psychiatric interventions on a medical ward: effects on patients’ quality of life and length of hospital stay.
Psychosom Med. 2003 Nov-Dec;65(6):997-1002.

De Jonge P, Ruinemans GM, Huyse FJ, ter Wee PM.
A simple risk score predicts poor quality of life and non-survival at 1 year follow-up in dialysis patients.
Nephrol Dial Transplant. 2003 Dec;18(12):2622-8.

De Jonge P, Bauer I, Huyse FJ, Latour CH.
Medical inpatients at risk of extended hospital stay and poor discharge health status: detection with COMPRI and INTERMED.
Psychosom Med. 2003 Jul-Aug;65(4):534-41.

De Jonge P, Stiefel F.
Internal consistency of the INTERMED in patients with somatic diseases.
J Psychosom Res. 2003 May;54(5):497-9.

Di Gangi Herms AM, Pinggera GM, De Jonge P, Strasser H, Sv?llner W.
Assessing health care needs and clinical outcome with urological case complexity: a study using INTERMED.
Psychosomatics. 2003 May-Jun;44(3):196-203.

Hoogervorst EL, de Jonge P, Jelles B, Huyse FJ, Heeres I, van der Ploeg HM, Uitdehaag BM, Polman CH.
The INTERMED: a screening instrument to identify multiple sclerosis patients in need of multidisciplinary treatment.
J Neurol Neurosurg Psychiatry. 2003 Jan;74(1):20-4.

de Jonge P, Latour C, Huyse FJ.
Interrater reliability of the INTERMED in a heterogeneous somatic population.
J Psychosom Res. 2002 Jan;52(1):25-7.

Koch N, Stiefel F, de Jonge P, Fransen J, Chamot AM, Gerster JC, Huyse F, So AK.
Identification of case complexity and increased health care utilization in patients with rheumatoid arthritis.
Arthritis Rheum. 2001 Jun;45(3):216-21.

de Jonge P, Huyse FJ, Stiefel FC.
Measuring care needs and case-mix by means of the INTERMED.
Gen Hosp Psychiatry. 2001 Jan-Feb;23(1):43-4.

de Jonge P, Huyse FJ, Stiefel FC, Slaets JP, Gans RO.
INTERMED–a clinical instrument for biopsychosocial assessment.
Psychosomatics. 2001 Mar-Apr;42(2):106-9.

Huyse FJ, Lyons JS, Stiefel F, Slaets J, de Jonge P, Latour C.
Operationalizing the biopsychosocial model: the INTERMED.
Psychosomatics. 2001 Jan-Feb;42(1):5-13.

de Jonge P, Huyse FJ, Ruinemans GM, Stiefel FC, Lyons JS, Slaets JP.
Timing of psychiatric consultations: the impact of social vulnerability and level of psychiatric dysfunction.
Psychosomatics. 2000 Nov-Dec;41(6):505-11.

Fischer CJ, Stiefel FC, De Jonge P, Guex P, Troendle A, Bulliard C, Huyse FJ, Gaillard R, Ruiz J.
Case complexity and clinical outcome in diabetes mellitus.
A prospective study using the INTERMED. Diabetes Metab. 2000 Sep;26(4):295-302.

Mazzocato C, Stiefel F, de Jonge P, Levorato A, Ducret S, Huyse FJ.
Comprehensive assessment of patients in palliative care: a descriptive study
utilizing the INTERMED. J Pain Symptom Manage. 2000 Feb;19(2):83-90.

Huyse FJ, de Jonge P, Lyons JS, Stiefel FC, Slaets JP.
INTERMED: a tool for controlling for confounding variables and designing multimodal treatment.
J Psychosom Res. 1999 Apr;46(4):401-2.

Stiefel FC, de Jonge P, Huyse FJ, Guex P, Slaets JP, Lyons JS, Spagnoli J, Vannotti M.
“INTERMED”: a method to assess health service needs. II. Results on its validity and clinical use.
Gen Hosp Psychiatry. 1999 Jan-Feb;21(1):49-56.

Huyse FJ, Lyons JS, Stiefel FC, Slaets JP, de Jonge P, Fink P, Gans RO, Guex P, Herzog T, Lobo A, Smith GC, van Schijndel RS.
“INTERMED”: a method to assess health service needs. I. Development and reliability.
Gen Hosp Psychiatry. 1999 Jan-Feb;21(1):39-48

Stiefel FC, de Jonge P, Huyse FJ, Slaets JP, Guex P, Lyons JS, Vannotti M, Fritsch C, Moeri R, Leyvraz PF, So A, Spagnoli J.
INTERMED–an assessment and classification system for case complexity. Results in patients with low back pain.
Spine (Phila Pa 1976). 1999 Feb 15;24(4):378-84; discussion 385.