Meta-Analysis of Phacoemulsification and Laser Peripheral Iridotomy in the Treatment of Primary Angle-Closure Glaucoma

Table 1

Characteristics of included studies.

NO	Author	Year	Region	Study design	No. of eyes		Mean age (years)		Sex: female		Follow-up(months)
					Phaco	LPI	Phaco	LPI	Phaco	LPI
1	Min et al. [22]	2012	China	RCT	70	50	N/A	N/A	N/A	N/A	3
2	Zhang et al. [23]	2013	China	RCT	33	33	69.04 ± 6.88	72.84 ± 7.05	15	14	3
3	Kong et al. [24]	2013	China	RCT	34	26	67.43 ± 7.43	65.42 ± 6.45	12	13	6
4	Wang [25]	2017	China	RCT	50	50	68.38 ± 3.56	68.54 ± 3.94	19	21	3
5	Husain et al. [26]	2012	Singapore	RCT	19	18	65.9 (42–82)	66.1 (48–85)	16	13	Postoperative day 1, weeks 1, 3, and 6, months 3, 6, 9, and 12, and then every 4 months in year 2
6	Lam et al. [27]	2008	Hong Kong	RCT	31	31	72.3 ± 7.3	69.0 ± 7.8	26	23	day 1; week1; months 1, 3, 6, 9, and 12; and then every 6 months for 4 years
7	Dias-Santos et al. [28]	2014	Portugal	RCT	15	15	69.5 ± 11.34 (52–86)	65.10 ± 9.49 (44–76)	11	12	31.13 ± 4.97
8	Azuara-Blanco et al. [29]	2016	Australia, mainland China, Hong Kong, Malaysia, Singapore, and the UK	RCT	208	211	67·0 (61·0–73·0)	67·0 (61·0–73·0)	122	121	6, 12, 24, and 36 months