The Efficacy and Safety of High-Frequency Deep Sclerotomy in Treatment of Chronic Open-Angle Glaucoma Patients

Table 1

Mean difference and statistical significance between preoperative values (IOP and VA) and postoperative follow-ups.

Preoperative value (mean and range)	Postoperative follow-up	Mean value	Standard deviation	Range	Mean difference	value^♠
Mean IOP 31.4, range 22–42 mmHg	1 day	18.5	5	8–30	12.9	<0.0001
	1 week	18.9	3.4	14–30	12.6	<0.0001
	2 weeks	19.4	3.5	12–30	11.9	<0.0001
	1 month	19.6	2.4	16–26	11.9	<0.0001
	3 months	18.8	1.9	15–25	12.6	<0.0001
	6 months	18.9	1.8	15–25	12.5	<0.0001
	9 months	19.1	1.9	15–26	12.3	<0.0001
Mean VA 0.48, range 0.1–0.8 decimal	1 day	0.3	0.3	0.1–2	0.1	0.0814
	1 week	0.4	0.1	0.1–0.6	0.1	<0.0001
	2 weeks	0.4	0.1	0.1–0.6	0.1	<0.0001
	1 month	0.4	0.2	0.1–0.7	0.04	0.0041
	3 months	0.4	0.2	0.1–0.7	0.04	0.0041
	6 months	0.4	0.2	0.1–0.7	0.05	0.0041
	9 months	0.4	0.2	0.1–0.7	0.06	0.0044

^♠Bonferroni corrected.