Table 2.
Baseline data of the study group patients and a control group matched for preoperative visual acuity with the study group
| Study group (n = 77) | Control group (n = 39) | p Value* | |
| Age (years) | 66.5 (10.1) | 70.5 (7.4) | 0.05 (NS) |
| Median | 66.1 | 71.1 | |
| Range | 28.2–86.7 | 51.2–87.5 | |
| Refractive error (D) | 0.73 (1.59) | 0.96 (1.09) | 0.25 (NS) |
| Median | +0.50 | +0.88 | |
| Range | −2.5 to +5.25 | −0.75 to +4.00 | |
| Visual acuity | |||
| Snellen acuity | 0.16 (0.09) | 0.19 (0.08) | 0.08 (NS) |
| Median | 0.13 | 0.20 | |
| Range | 0.06–0.50 | 0.03–0.30 | |
| Snellen lines | 14.5 (2.3) | 15.2 (2.5) | 0.07 (NS) |
| Median | 14 | 16 | |
| Range | 11–20 | 8–18 | |
| LogMar | 0.85 (0.23) | 0.79 (0.25) | 0.08 (NS) |
| Median | 0.90 | 0.70 | |
| Range | 0.30–1.22 | 0.52–1.52 | |
| Follow up | 8.9 (6.3) | 7.7 (4.7) | 0.53 (NS) |
| Median | 6.8 | 7.5 | |
| Range | 1.33–24.1 | 1.2–17.7 | |
| Intraocular pressure | 15.3 (3.6) | 15.4 (3.0) | 0.92 (NS) |
| Median | 16 | 16 | |
| Range | 10–24 | 9–24 | |
| Change in best VA | |||
| LogMar units | −0.24 (0.21) | −0.01 (0.23) | <0.001 |
| Snellen lines | 2.4 (2.1) | 0.1 (2.0) | <0.001 |
| Snellen acuity | 0.13 (0.13) | 0.02 (0.08) | <0.001 |
| Change in VA between baseline and end of follow up | |||
| LogMar units | 0.00 (0.33) | 0.09 (0.21) | 0.04 |
| Snellen lines | 0.1 (3.2) | −1.0 (2.1) | 0.03 |
| Snellen acuity | 0.03 (0.14) | −0.03 (0.08) | 0.02 |
*Statistical significance of difference between study group and control group.
NS, statistically not significant; VA, visual acuity. Results are shown as mean (standard deviation).