Table 1.

Comparison between control and cataract groups

	Control group	Cataract group
		Total	p-value	CC	NC	PSC	Mixed	p-value
N (eyes)	109	67		18	20	9	20
Age (year)	59.45 ± 10.53	67.34 ± 8.18	<  0.001*	63.39 ± 6.75	66.35 ± 11.34	69.67 ± 8.53	68.15 ± 5.23	<  0.001*
Male: female	33:76	29:38	†0.079	8:10	7:13	4:5	10:10	†0.408
Eye laterality
Right: left	54:55	34:33	0.877	10:8	12:8	1:8	11:9	0.185
SE (D)	−0.01 ± 1.71	− 0.25 ± 3.28	0.522	0.87 ± 1.52	−1.00 ± 3.00	− 1.514 ± 7.36	0.05 ± 0.92	0.062
BCVA (logMAR)	0.08 ± 0.23	0.48 ± 0.41	<  0.001*	0.43 ± 0.46	0.54 ± 0.43	0.68 ± 0.61	0.44 ± 0.47	<  0.001*
MTF	22.14 ± 11.17	11.38 ± 8.13	<  0.001*	15.17 ± 8.94	9.68 ± 5.39	8.48 ± 6.03	10.98 ± 9.65	<  0.001*
OSI	1.75 ± 1.51	6.23 ± 3.75	<  0.001*	2.99 ± 1.35	7.58 ± 3.38	8.82 ± 4.10	6.61 ± 3.70	<  0.001*
Strehl ratio	0.13 ± 0.07	0.08 ± 0.04	<  0.001*	0.09 ± 0.03	0.08 ± 0.03	0.07 ± 0.027	0.08 ± 0.05	<  0.001*
PVA 100% (logMAR)	0.19 ± 0.26	0.55 ± 0.323	<  0.001*	0.36 ± 0.24	0.61 ± 0.30	0.67 ± 0.31	0.59 ± 0.35	<  0.001*
PVA 20% (logMAR)	0.31 ± 0.28	0.62 ± 0.34	<  0.001*	0.48 ± 0.29	0.72 ± 0.26	0.64 ± 0.42	0.62 ± 0.40	<  0.001*
PVA 10% (logMAR)	0.53 ± 0.29	0.83 ± 0.21	<  0.001*	0.78 ± 0.20	0.86 ± 0.18	0.90 ± 0.17	0.85 ± 0.24	<  0.001*

NC nuclear cataract, CC cortical cataract, PSC posterior subcapsular cataract, SE spherical equivalent, BCVA best corrected visual acuity, MTF modulation transfer function, OSI objective scatter index, PVA predicted visual acuity

*statistically significant using Student’s t-test, † the Pearson chi-square test