Comorbidity, limitations in activities and pain in patients with osteoarthritis of the hip or knee

Table 5 Limitations in activities and pain (WOMAC, SF 36, timed walking test, VAS) in patients who suffer moderate or severe coexistent diseases (CIRS* and obesity**) and patients who do not.

	WOMAC (PF)	SF 36 (PF)	Timed walking test	VAS (pain)
Cardiac disease
yes	31.14	40.84‡	10.46	5.14
no	28.42	48.66	10.27	4.57
Vascular disease
yes	33.66†	36.44‡	11.05	5.61†
no	28.77	46.98	10.21	4.66
Respiratory disease
yes	31.82	39.46†	10.44	5.14
no	29.18	46.32	10.34	4.76
Eye, ear, nose throat and larynx disease
yes	32.75‡	40.82†	10.88	4.99
no	28.11	47.20	10.10	4.75
Disease gastro-intestinal system (upper part)
yes	34.36‡	37.05‡	10.65	5.15
no	28.13	47.66	10.26	4.73
Disease gastro-intestinal system (lower part)
yes	35.25‡	35.26‡	12.64†	5.41
no	28.48	47.13	9.91	4.71
Hepatic disease
yes	41.46†	29.26	17.16	7.50‡
no	29.40	45.43	10.21	4.77
Renal disease
yes	32.23	47.22	9.88	5.23
no	29.53	44.99	10.38	4.81
Other genito urinary disease
yes	34.61‡	37.26‡	12.19‡	5.20
no	28.23	47.35	9.84	4.73
Neurological disease
yes	32.33	41.17	11.49	5.37†
no	28.84	46.30	10.02	4.66
Psychiatric disease
yes	34.20‡	34.80‡	11.43	5.26
no	28.58	47.55	10.11	4.73
Endocrine/metabolic disease
yes	31.94†	41.71†	11.16†	5.09
no	28.32	47.03	9.89	4.68
Body weight
Normal weight	25.38	20.41	9.84	4.43
Overweight^Δ	30.78	18.65	10.25	4.87
Obesity^ΔΔ	31.56†	18.50†	10.74	5.04

*t-test;** one way ANOVA; † p < 0.05; ‡ P < 0.01; ^Δ(25 ≤ BMI < 30); ^ΔΔ(BMI ≥ 30) BMI: Body Mass Index; WOMAC: Western Ontario and MacMaster universities osteoarthritis index; SF-36: MOS 36 item Short Form Health Survey; VAS; Visual Analogue Scale; PF: physical functioning; CIRS: Cumulative Illness Rating Scale.

ISSN: 1471-2474