The Prevalence of Infectious Keratitis after Keratorefractive Surgery: A Systematic Review and Meta-Analysis Study

Table 2

Results of the meta-analysis of articles.

Subgroups		Number of studies	Prevalence of infectious keratitis (%)	Low	Up	value	I^2 (%)	Z
Overall		13	0.000496	0.000295	0.000744	<0.001	97.2	7.448384
Country	Brazil	1	0.001175	0.000564	0.002160	—	—	5.480057
	Spain	5	0.000473	0.000294	0.000693	<0.001	94.2	8.603066
	USA	6	0.000594	0.000173	0.001221	<0.001	98.2	3.753000
	Japan	1	0.000045	0.000001	0.000249	—	—	1.414219
Continent	America	7	0.000667	0.000241	0.001275	<0.001	98	4.301790
	Europe	5	0.000473	0.000294	0.000693	<0.001	94.2	8.603066
	Asia	1	0.000045	0.000001	0.000249	—	—	1.414219
Surgery	LASIK	6	0.000554	0.000331	0.000832	<0.001	9.531e + 01%	7.913473
	LASEK	1	0.000046	0.000031	0.000067	—	—	9.295248
	PRK	3	0.000122	0.000063	0.000197	0.347189	5.4	6.122264
Eye	Right	3	0.000149	0.000118	0.000182	0.488585	0	16.814513
	Left	3	0.000145	0.000096	0.000204	0.064426	63.5	9.701854
Organism	Fungal	3	0.000041	0.000000	0.000157	0.064144	63.5	1.585417
	Methicillin-resistant (MRSA)	3	0.000093	0.000018	0.000211	0.313975	13.6	3.119117
	Staphylococci	3	0.000142	0.000007	0.000409	0.000760	86	2.360040
	Staphylococcus aureus	5	0.000015	0.000000	0.000069	0.003517	74.4	1.288479
	Streptococcus hemo viridans	3	0.000001	0.000000	0.000017	0.218840	34.1	0.635427