Table 2.
Postoperative changes in ocular characteristics and number of antiglaucoma medication.
| Group A | Group B | Group C | Post-OP ocular characteristics | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (n = 24) | (n = 23) | (n = 34) | ANOVA P value | ||||||||||||||||
| Pre-OP | (a) Post-OP | Pre-OP | (b) Post-OP | Pre-OP | (c) Post-OP | (a)-(b)-(c)† | (a)-(b) | (a)-(c) | (b)-(c) | ||||||||||
| Mean | SD | Mean | SD | P value∗ | Mean | SD | Mean | SD | P value∗ | Mean | SD | Mean | SD | P value∗ | |||||
| IOP (mmHg) | 25.58 | 16.24 | 12.71 (1 week) | 5.7 | 0.001 | 17.92 | 10.03 | 13.01 (1 week) | 6.92 | 0.007 | 15.86 | 11.94 | 15.03 (1 week) | 9.12 | 0.767 | 0.503 | |||
| 12.28 (1 month) | 3.01 | 0.002 | 11.95 (1 month) | 5.48 | 0.004 | 18.05 (1 month) | 12.96 | 0.516 | 0.040 | 0.909‡ | 0.036‡ | 0.025‡ | |||||||
| 13.84 (3 months) | 6.37 | 0.057 | 11.41 (3 months) | 3.93 | 0.004 | 14.71 (3 months) | 4.71 | 0.657 | 0.127 | ||||||||||
| 14.42 (6 months) | 5.89 | 0.168 | 11.89 (6 months) | 4.04 | 0.092 | 15.08 (6 months) | 6.2 | 0.777 | 0.301 | ||||||||||
| 12.60 (1 year) | 3.88 | 0.146 | 11.42 (1 year) | 3.12 | 0.047 | 15.59 (1 year) | 6.36 | 0.92 | 0.240 | ||||||||||
| VA (logMAR) | 1.08 | 0.82 | 0.57 | 0.43 | 0.002 | 0.79 | 0.51 | 0.52 | 0.41 | 0.002 | 0.89 | 0.72 | 0.70 | 0.75 | 0.087 | 0.481 | |||
| SE (D) | 0.62 | 2.96 | 0.06 | 1.03 | 0.815 | -0.04 | 1.92 | -0.16 | 0.60 | 0.771 | 0.68 | 0.55 | 0.78 | 2.58 | 0.942 | 0.218 | |||
| ACD (mm) | 2.25 | 0.36 | 3.73 | 0.56 | 0.001 | 2.18 | 0.33 | 3.41 | 0.62 | <0.001 | 2.39 | 0.01 | 2.35 | 0.45 | 0.421 | <0.001 | 0.526¶ | <0.001¶ | <0.001¶ |
| AL (mm) | 22.72 | 0.96 | 22.73 | 1.56 | 0.426 | 22.49 | 0.81 | 23.01 | 1.47 | 0.213 | 22.31 | 0.42 | 22.60 | 0.43 | 0.379 | 0.628 | |||
| VCD ratio | 0.51 | 0.19 | 0.50 | 0.21 | 1.000 | 0.45 | 0.23 | 0.48 | 0.22 | 0.358 | 0.48 | 0.22 | 0.52 | 0.23 | 0.189 | 0.793 | |||
| Shaffer grading# | 0.00 | 0.00 | 3.17 | 1.20 | <0.001 | 0.00 | 0.00 | 3.30 | 0.97 | <0.001 | 0.00 | 0.00 | 2.44 | 1.21 | <0.001 | 0.011 | 1.000¶ | 0.060¶ | 0.020¶ |
| No. medication | 4.13 | 1.62 | 0.25 | 0.68 | <0.001 | 3.74 | 1.32 | 0.30 | 0.77 | <0.001 | 4.06 | 1.14 | 1.26 | 1.42 | <0.001 | 0.001 | 1.000¶ | 0.002¶ | 0.004¶ |
∗Paired sample t-test. †One-way analysis of variance. ‡Fisher's least significant difference (LSD) post-hoc test. ¶Bonferroni post-hoc test. #The average of Shaffer classification recorded in the superior, inferior, nasal, and temporal quadrants. OP = operation, IOP = intraocular pressure, VA = visual acuity, SE = spherical equivalent, D = diopters, ACD = anterior chamber depth, AL = axial length, VCD = vertical cup versus disc, No. = number, and SD = standard deviation.