Table 1

Visual performance after LASIK in two groups

			Postoperative
Variable	Group	Preoperative (1)	1 week (2)	1 month (3)	3 months (4)	6 months (5)	Two way ANOVA	Multiple range test
p<0.001:a, p<0.01:b, p<0.05:c, Group 1: Eyes with intraoperative bleeding, Group 2: Eyes with uneventful LASIK, LASIK = laser in situ keratomileusis.
SEQ (diopters)	Group 1	−5.8±2.3	−0.02±0.08	−0.34±0.2	−0.5±0.3	−0.5±0.4	F=61.97	1vs2:a,
							p<0.0001	1vs3:a,
								1vs4:a,
								1vs5:a
	Group 2	−5.3±1.7	0	−0.02±0.08	0.06±0.34	−0.02±0.08	F=98.77	1vs2:a,
							p<0.0001	1vs3:a,
								1vs4:a,
								1vs5:a
	p value	0.18	0.34	0.003	0.002	0.001

Decimal UCVA	Group 1	0.1±0.09	0.85±0.13	0.7±0.1	0.5±0.4	0.6±0.2	F=21.73	1vs2:a,
							p<0.0001	1vs3:a,
								1vs5:a
	Group 2	0.11±0.09	0.9±0.3	0.97±0.1	0.97±0.1	1	F=79.09	1vs2:a,
							p<0.0001	1vs3:a,
								1vs4:a,
								1vs5:a
	p value	0.34	0.5	0.0006	0.0056	0.0001

Contrast sensitivity value	Group 1	161±80.7	84.6±59.7	93±58.9	97.7±61.3	102±60.5	F=36.71	1vs2:b,
							p<0.0001	1vs3:a,
								1vs4:b,
								1vs5:b
	Group 2	172±68.1	127±61	142±59.4	151±60.3	162±63.9	F=26.3	1vs2:a,
							p<0.0001	1vs3:b,
								1vs4:c,
	p value	0.27	0.001	0.0000	0.0001	0.0000

Decimal glare acuity	Group 1	0.95±0.1	0.54±0.1	0.6±0.1	0.63±0.1	0.7±0.1	F=42.7	1vs2:a,
							p<0.0001	1vs3:a,
								1vs4:b,
								1vs5:b
	Group 2	0.89±0.1	0.67±0.1	0.7±0.1	0.83±0.1	0.9±0.1	F=16.6	1vs2:b
							p<0.0001
	p value	0.08	0.004	0.0005	0.0007	0.0006