Table 2.

The Intraocular Pressure Changes Before and After Surgery in the Non-Penetrating Deep Sclerectomy Group and the Trabeculectomy Group

Intraocular Pressure (mmHg)	Deep Sclerectomy Mean ± SD (Range)	Trabeculectomy Mean ± SD (Range)	P value*
Preoperative	27.4 ± 6.9 (19.0–38.0)	28.5 ± 6.6 (22.0–36.0)	0.175
1 week	4.3 ± 2.8 (2.0–7.0)	2.1 ± 1.2 (0.0–4.0)	0.021**
1 month	9.5 ± 4.6 (4.0–17.0)	8.1 ± 3.9 (4.0–12.0)	0.034**
3 months	10.9 ± 4.3 (6.0–19.0)	11.3 ± 3.1 (8.0–18.0)	0.121
6 months	11.3 ± 4.5 (8.0–20.0)	11.5 ± 3.9 (8.0–19.0)	0.254
12 months	11.4 ± 4.5 (8.0–20.0)	11.6 ± 4.1 (8.0–20.0)	0.311
24 months	11.3 ± 4.6 (8.0–20.0)	11.5 ± 3.8 (9.0–19.0)	0.303
36 months	11.2 ± 4.5 (8.0–18.0)	11.1 ± 3.4 (8.0–16.0)	0.342

Notes: *Using independent samples t test. **Statistically significant.