Effect of previous cataract surgery on preoperative expectations and postoperative impressions
| First time surgery | Previous surgery | Significance | |
|---|---|---|---|
| Tests: Mann-Whitney U for first versus previous surgery; VF-14 scale is 0 to 100 (100 = no disability). Comparison with expected: 5 = as expected, 0 = much worse, 10 = much better. Other scales: 0 = not at all, 10 = extremely. | |||
| Preoperative expectations | |||
| Nervous | 3.49 (2.1) | 2.48 (2.4) | p = 0.002 |
| Painful | 2.48 (1.6) | 1.44 (1.5) | p<0.001 |
| Risky | 2.15 (1.7) | 2.32 (1.9) | NS |
| Expected VF-14 | 96.31 (10.5) | 95.68 (9.9) | NS |
| Current satisfaction | 4.07 (1.9) | 2.15 (1.7) | p = 0.018 |
| Postoperative impressions | |||
| Compared | 7.93 (1.3) | 6.44 (1.5) | p<0.001 |
| Nervous | 1.06 (0.9) | 1.10 (1.) | NS |
| Painful | 0.90 (0.8) | 0.83 (0.9) | NS |
| Risky | 1.34 (1.3) | 1.51 (1.4) | NS |
| Understand | 6.97 (2.2) | 6.19 (2.9) | NS |
| Satisfied | 8.06 (1.0) | 7.95 (1.0) | NS |