Table 3.
Preoperative, 1-day postoperative, and 1-week postoperative intraocular pressure of patients of the studied groups
| Intraocular pressure (mmHg)
|
||||||
|---|---|---|---|---|---|---|
| Group 1 20-gauge Claes system (n = 34) |
Group 2 23-gauge (n = 32) |
Group 3 20- and 23-gauge (n = 27) |
Group 4 Conventional 20 gauge (n = 36) |
F-test P | Scheffe test | |
| Range Mean ± SD | Range Mean ± SD | Range Mean ± SD | Range Mean ± SD | |||
| Preoperative | 6–26 | 8–17 | 8–23 | 5–25 | 3.090* | 1 versus 4 P=0.045* |
| (I) | 14.12 ± 4.20 | 12.38 ± 2.04 | 13.59 ± 3.90 | 11.78 ± 3.68 | 0.030 | |
| One-day | 4–45 | 4–28 | 4–40 | 7–40 | 0.979 | IV>I>III>II |
| postoperative | 16.09 ± 8.43 | 14.69 ± 6.08 | 15.55 ± 7.28 | 17.69 ± 7.71 | 0.405 | |
| (II) | ||||||
| One-week | 10–32 | 6–40 | 8–24 | 8–45 | 1.374 | IV>I>II>III |
| postoperative | 16.68 ± 5.96 | 16.31 ± 6.86 | 14.15 ± 4.75 | 17.64 ± 8.74 | 0.254 | |
| (III) | ||||||
| F-test | 1.474 | 4.263 | 0.910 | 8.361 | ||
| P | 0.234 | 0.017* | 0.406 | 0.0001* | ||
| Scheffe test | III>II>I | I versus III, P=0.018* | II>III>I | I versus II, P=0.003* I versus III, P=0.003* |
||
Note:
*
Significant (P < 0.05).
Abbreviation: SD, standard deviation.