| Morning stiffness | Baseline (n = 101) | 1˚ return (n = 99) | 2˚ return (n = 64) | |||||||
| Subacute (n = 43) | Chronic (n = 58) | Subacute (n = 13) | Chronic (n = 86) | Chronic (n = 64) | ||||||
| n | % | n | % | n | % | n | % | n | % | |
| Presence | 13 | 30.2 | 22 | 37.9 | - | - | 15 | 17.4 | 6 | 9.4 |
| Absent | 30 | 79.0 | 36 | 62.1 | 13 | 100.0 | 71 | 82.6 | 58 | 90.6 |