Efficacy of recombinant human epidermal growth factor plus sodium hyaluronate eye drops in diabetic dry eye post-cataract surgery

Table 1 General data, n (%)

Factors	Observation group (n = 42)	Control group (n = 40)	t/χ2	P value
Sex			0.001	0.991
Male	22 (52.38)	21 (52.50)
Female	20 (47.62)	19 (47.50)
Age (yr)			0.002	0.965
≤ 61	17 (40.48)	16 (40.00)
> 61	25 (59.52)	24 (60.00)
BMI (kg/m2)			0.001	0.983
≤ 23	23 (54.76)	22 (55.00)
> 23	19 (45.24)	18 (45.00)
Mean course of disease (months)	4.65 ± 0.85	4.82 ± 0.81	0.926	0.357
Hypertension			0.001	0.991
Yes	20 (47.62)	19 (47.50)
No	22 (52.38)	21 (52.50)
Smoking history			0.002	0.965
Yes	25 (59.52)	24 (60.00)
No	17 (40.48)	16 (40.00)

BMI: Body mass index.