Table 2B.

Physical functioning and SF-36. Adjusted for age, sex, disease duration, disease activity, and all other comorbidities. Range 0–100; lower score indicates worse physical functioning.

Patients with RA without Comorbidity	Mean PCS Score over 11 Yrs, 37.85 Difference in PCS Score when Comorbidity	p	95% CI
Patients with RA without Comorbidity		p	Lower	Upper
Circulatory conditions	−2.56	0.07	−5.34	0.21
Respiratory conditions	−2.12	0.03	−4.07	−0.18
Digestive conditions	−1.18	0.30	−3.42	1.06
Genitourinary conditions	−1.74	0.30	−5.02	1.55
Neurological conditions	−1.49	0.19	−3.71	0.73
Musculoskeletal conditions	−2.63	0.01	−4.50	−0.75
Endocrine, metabolic, and nutritional conditions	−2.02	0.08	−4.28	0.25
Cancer	−4.59	0.05	−9.12	−0.06
Rest category	0.16	0.83	−1.26	1.58
Depression	−2.76	0.00	−4.22	−1.30
Age	−0.05	0.03	−0.10	−0.01
Sex	2.27	0.00	0.82	3.73
Disease duration	−0.15	0.00	−0.21	−0.09
Disease activity	−2.97	0.00	−3.54	−2.39