Clinical efficacy of femtosecond laser-assisted phacoemulsification in diabetic cataract patients

Table 1 Comparison of general information between the two groups (n, mean ± SD)

Group	Control group (n = 60)	Therapy group (n = 60)	χ2/t/z	P value
Gender (men and women)	28/32	27/33	0.034	0.855
Average age (yr)	79.78 ± 4.32	80.62 ± 2.66	-1.171	0.245
Eye axis (mm)	23.2 (20.1-26.7)	22.9 (21.2-25.6)	0.019	0.992
Intraocular pressure (mmHg)	14.78 ± 3.32	13.62 ± 3.66	1.660	0.100

Table 2 Comparison of naked eye vision between the two groups (mean ± SD)

Group	Control group (60)	Therapy group (60)	t	P value
Before surgery	1.15 ± 0.10	1.16 ± 0.12	-0.453	0.652
1 d after surgery	0.28 ± 0.02	0.46 ± 0.04	-28.460	0.000
1 month after surgery	0.35 ± 0.02	0.61 ± 0.11	-16.444	0.000
6 months after surge	0.48 ± 0.12	0.65 ± 0.10	-7.696	0.000

Table 3 Comparison of astigmatism between the two groups (mean ± SD)

Group	Before surgery	Therapy group (60)	t	P value
Before surgery	2.62 ± 0.36	2.64 ± 0.30	0.302	0.763
1 d after surgery	2.56 ± 0.54	2.40 ± 0.32	1.802	0.075
1 month after surgery	2.43 ± 0.63	2.33 ± 0.64	0.787	0.433
6 months after surgery	2.14 ± 0.23	1.18 ± 0.24	20.421	0.000

Table 4 Comparison of high-order phase difference detection of cornea between two groups of patients (mean ± SD)

Group	Control group (60)	Therapy group (60)	t	P value
TOTAL (μm)	2.52 ± 0.63	2.08 ± 0.32	4.403	0.000
Tilt (μm)	0.62 ± 0.16	0.94 ± 0.10	-11.993	0.000
High (μm)	0.46 ± 0.10	0.60 ± 0.12	-6.338	0.000
S3 + S5 + S7 (μm)	0.31 ± 0.06	0.53 ± 0.08	-15.556	0.000
S4 + S6 + S8 (μm)	0.24 ± 0.03	0.35 ± 0.11	-6.822	0.000