Table 2 Comorbidity according to CIRS *
From: Comorbidity, limitations in activities and pain in patients with osteoarthritis of the hip or knee
Mild or more severe comorbidity ** | Moderate or more severe comorbidity *** | |
|---|---|---|
Morbidity count mean (sd) N = 288 | 4.32 (2.06) | 2.60 (1.93) |
0–12 | ||
Number of diseases n (%) | ||
   ○ None | 4 (1.4%) | 45 (15.6%) |
   ○ 1 or 2 | 55 (19.1%) | 98 (34.1%) |
   ○ 3–6 | 144 (50%) | 121 (42%) |
   ○ 6–9 | 79 (27.4%) | 22 (7.6%) |
   ○ ≥9 | 6 (2.1%) | 2 (0.7%) |