Descriptive data: visual variables at 2 year follow up and paired differences from baseline by group using better eye/worse eye analysis (mean (SD))
| Hospital n= 200 | Community n=203 | |||||
| Better eye | Worse eye | Better eye | Worse eye | |||
| Number of points missed on visual field testing: | ||||||
| Follow up | 7.9 (12.0) | 20.2 (21.6) | 6.8 (10.8) | 18.4 (19.9) | ||
| Paired differences | 1.2 (9.2) | 5.8 (16.1) | 1.3 (9.1) | 5.8 (16.1) | ||
| Intraocular pressure (mm Hg): | ||||||
| Follow up | 19.3 (5.1) | 19.1 (5.5) | 19.3 (4.7) | 19.0 (5.3) | ||
| Paired differences | −1.7 (5.2) | −1.7 (5.0) | −2.2 (4.6) | −2.2 (5.7) | ||
| Cup disc ratio: | ||||||
| Follow up | 0.72 (0.12) | 0.74 (0.13) | 0.72 (0 .13) | 0.74 ( 0.14) | ||
| Paired differences | 0.11 (0.14) | 0.11 (0.14) | 0.11 (0.13) | 0.10 (0.14) | ||