Determination of the time of refractive stability after uneventful phacoemulsification in Indian eyes

Table 4 Refractive stability by sex wise distribution

Parameters	1 wk postoperative			6 wk postoperative			P value1	P value2
	Male	Female	P value3	Male	Female	P value3
Sphere			0.523			0.281	0.698	0.933
mean ± SD	0.06 ± 0.4	0.03 ± 0.4		0.05 ± 0.4	-0.03 ± 0.3
Median (IQR)	0 (0-0)	0 (0-0)		0 (0-0)	0 (0-0)
Range	-1.5 to 1	-0.75 to 1		-0.5 to 1.5	-0.75 to 1
Cylinder			0.979			0.585	0.788	0.783
mean ± SD	-0.3 ± 0.6	-0.3 ± 0.7		-0.3 ± 0.6	-0.2 ± 0.6
Median (IQR)	-0.5 (-0.8 to 0.5)	-0.5 (-0.8 to 0.5)		-0.5 (-1.5 to 1)	-0.5 (-0.5 to 0.5)
Range	-1.5 to 1.25	-3.5 to 1.5		-1.5 to 1	-1 to 1.5
Spherical equivalent			0.651			0.724	0.419	0.464
mean ± SD	-0.04 ± 0.4	-0.1 ± 0.4		-0.1 ± 0.4	-0.1 ± 0.4
Median (IQR)	0 (-0.25 to 0)	0 (-0.25 to 0)		0 (-0.25 to 0)	0 (-0.25 to 0)
Range	-1.5 to 1.12	-1.75 to 1.37		-0.87 to 1.75	-1 to 1

¹Wilcoxon Sign rank test to compare the male between 1^st wk and 6^th wk post-operative.

²Wilcoxon Sign rank test to compare the female between 1^st wk and 6^th wk post-operative.

³Mann Whitney U test.

IQR: Interquartile range.