IC group (n=51) | UC group (n=49) | p-value | |||
---|---|---|---|---|---|
HA category | 1 | 2 | 1 | 2 | |
The year prior to study start, n, (%) | 40 (78.4) | 11 (21.6) | 39 (79.6) | 10 (20.4) | 1.00 |
The first year of follow-up, n (%) | 48 (94.1) | 3 (5.9) | 37 (75.5) | 12 (24.5) | 0.01 |
The second year of follow-up, n (%) | 44 (86.3) | 7 (13.7) | 37 (75.5) | 12 (25.4) | 0.21 |