Analysis of Lens Thickness Distribution Based on Swept-Source Optical Coherence Tomography (SS-OCT)

Table 1

Lens thickness in Chinese cataract patients, stratified by gender and age.

Age group	Male		Female		value
	N	Mean ± SD (mm)	N	Mean ± SD (mm)
40–49^a	1594	4.14 ± 0.01	1995	4.14 ± 0.01	0.100
50–59	3157	4.31 ± 0.01	4202	4.28 ± 0.01	＜0.005
60–69	7200	4.50 ± 0.01	11258	4.46 ± 0.01	＜0.005
70–79	8441	4.60 ± 0.01	12609	4.58 ± 0.01	＜0.005
≥80	3870	4.70 ± 0.01	5400	4.69 ± 0.01	0.660
ALL^b	24262	4.52 ± 0.00	35464	4.50 ± 0.00	＜0.005

SD: standard deviation. ^a Mann–Whitney U test. ^b Analysis of covariance after adjusting for age.