Table 4 ANCOVAs comparing SF-36 change scores among groups of patients differing in visual acuity change from baseline to month 18â€
Change in SF-36 score mean (SD) | Improved by ≥ 10 (N = 35) | Improved by 5 to 9 (N = 85) | No change (-4 to +4) (N = 323) | Worsened by 5 to 9 (N = 53) | Worsened by ≥ 10 (N = 39) | Overall F value | Change in best visual acuity p-value | Significant pairwise comparisons |
|---|---|---|---|---|---|---|---|---|
Physical functioning | -4.0 (15.1) | -4.5 (21.5) | -2.9 (19.7) | -5.1 (17.9) | -5.7 (25.7) | 1.88 | 0.96 | Â |
Role-physical | -10.7 (36.5) | -3.5 (41.4) | -9.2 (38.4) | -6.6 (46.0) | -21.2 (43.5) | 2.14* | 0.23 | Â |
Role-emotional | -6.7 (19.5) | -6.7 (30.8) | 1.1 (25.2) | -3.1 (26.4) | -2.6 (30.0) | 1.31 | 0.20 | Â |
Pain index | -2.0 (23.0) | -2.9 (25.5) | -2.6 (24.7) | -9.0 (22.5) | -9.5 (29.0) | 1.15 | 0.37 | Â |
Mental health | -1.5 (16.3) | -1.5 (18.1) | 0.4 (14.4) | -0.8 (12.2) | -8.4 (15.7) | 2.67* | 0.04 | I* |
Social functioning | -5.0 (23.9) | -1.8 (22.8) | -3.1 (20.5) | -4.2 (15.5) | -9.0 (26.1) | 2.04* | 0.58 | Â |
Vitality | -4.7 (23.3) | -4.2 (21.2) | -2.7 (20.1) | -3.6 (17.0) | -6.5 (20.9) | 2.26* | 0.95 | Â |
General health perceptions | 1.3 (13.3) | -2.0 (21.1) | -1.6 (15.5) | -2.3 (15.5) | -8.3 (16.5) | 3.32** | 0.11 | Â |
Physical component summary | -1.4 (7.7) | -1.3 (10.0) | -2.2 (8.7) | -2.9 (8.8) | -4.5 (11.7) | 2.31* | 0.50 | Â |
Mental component summary | -1.5 (9.2) | -1.2 (9.5) | 0.3 (7.2) | -0.4 (7.4) | -2.6 (8.9) | 1.85 | 0.35 | Â |