Score on symptom severity index | Before surgery (n=442) | 3 months after surgery (n=367) | 6 months after surgery (n=364) | 12 months after surgery (n=359) |
---|---|---|---|---|
Information missing | 26 | 19 | 7 | 24 |
1-4 (mild) | 19 (5) | 184 (53) | 192 (54) | 179 (53) |
5-8 | 56 (14) | 75 (22) | 69 (19) | 56 (17) |
9-12 (moderate) | 104 (25) | 37 (11) | 41 (12) | 44 (13) |
13-16 | 134 (32) | 41 (12) | 38 (11) | 40 (12) |
17-20 (severe) | 103 (25) | 11 (3) | 17 (5) | 16 (5) |
Mean | 12.8 | 5.5 | 5.6 | 5.8 |
Median | 14 | 4 | 4 | 4 |
SD | 4.2 | 5.1 | 5.3 | 5.5 |