Table 3.
Secondary outcomes for pain and quality of life
|
Mean (SD); n |
Mean difference (95% CI); p value |
|||||
|---|---|---|---|---|---|---|
| Decompression | Arthroscopy only | No treatment | Decompression vs arthroscopy only | Decompression vs no treatment | Arthroscopy only vs no treatment | |
| At 6 months | ||||||
| Modified Constant-Murley | 56·5 (21·8); n=82 | 57·6 (17·7); n=84 | 45·4 (21·3); n=83 | 0·3 (−4·1 to 4·7); 0·8972 | 9·3 (4·1 to 14·6); 0·0012 | 9·1 (3·1 to 15·2); 0·0045 |
| PainDETECT | 8·4 (7·1); n=81 | 7·9 (5·7); n=82 | 10·2 (6·3); n=80 | 0·1 (−1·8 to 2·0); 0·9036 | −1·7 (−3·5 to 0·0); 0·0559 | −1·9 (−3·7 to 0·0); 0·0502 |
| HADS Depression | 3·6 (4·0); n=88 | 3·6 (3·9); n=91 | 5·5 (4·4); n=89 | 0·2 (−0·8 to 1·2); 0·6738 | −1·1 (−1·8 to −0·4); 0·0040 | −1·3 (−2·2 to −0·3); 0·0100 |
| HADS Anxiety | 5·1 (4·0); n=87 | 5·6 (4·6); n=92 | 6·7 (4·7); n=88 | −0·1 (−1·0 to 0·8); 0·7368 | −0·8 (−1·5 to −0·2); 0·0168 | −0·6 (−1·4 to 0·1); 0·1096 |
| EQ VAS | 74·2 (20·3); n=89 | 72·8 (20·2); n=93 | 67·8 (22·1); n=89 | 3·1 (−3·5 to 9·7); 0·3393 | 6·4 (2·2 to 10·7); 0·0043 | 3·4 (−1·4 to 8·2); 0·1601 |
| EQ5D-3L Index | 0·65 (0·29); n=89 | 0·67 (0·26); n=93 | 0·52 (0·36); n=89 | 0·00 (−0·09 to 0·08); 0·9308 | 0·12 (0·04 to 0·21); 0·0076 | 0·12 (0·02 to 0·21); 0·0154 |
| At 1 year | ||||||
| Modified Constant-Murley | 66·2 (19·9); n=76 | 64·9 (17·2); n=81 | 56·7 (22·1); n=70 | 2·7 (−2·7 to 8·2); 0·3087 | 8·3 (2·5 to 14·1); 0·0067 | 4·9 (0·9 to 8·9); 0·0173 |
| PainDETECT Score | 8·5 (7·1); n=67 | 7·3 (5·7); n=72 | 9·8 (7·6); n=69 | 0·4 (−1·4 to 2·2); 0·6541 | −1·5 (−3·7 to 0·7); 0·1721 | −1·8 (−4·3 to 0·7); 0·1536 |
| HADS Depression | 3·2 (3·5); n=84 | 3·5 (3·7); n=88 | 4·4 (4·0); n=78 | −0·1 (−0·7 to 0·5); 0·6906 | −0·7 (−1·5 to 0·2); 0·1208 | −0·5 (−1·3 to 0·2); 0·1452 |
| HADS Anxiety | 5·2 (4·1); n=83 | 5·7 (4·5); n=87 | 5·9 (4·2); n=81 | −0·1 (−0·9 to 0·6); 0·7474 | −0·1 (−1·0 to 0·8); 0·8220 | 0·0 (−1·0 to 1·1); 0·9215 |
| EQ VAS | 73·7 (21·0); n=85 | 75·9 (20·0); n=91 | 73·4 (22·4); n=82 | −0·4 (−4·4 to 3·7); 0·8530 | 0·0 (−4·3 to 4·2); 0·9947 | 0·3 (−5·1 to 5·7); 0·9050 |
| EQ-5D-3L Index | 0·74 (0·28); n=86 | 0·73 (0·27); n=92 | 0·66 (0·33); n=80 | 0·04 (−0·03 to 0·10); 0·2750 | 0·08 (0·00 to 0·16); 0·0517 | 0·05 (−0·04 to 0·13); 0·2644 |
HADS=Hospital Anxiety and Depression Scale. EQ-5D-3L=EuroQol 5 dimensions 3 levels. EQ VAS=EuroQol visual analogue scale.