Investigation and analysis of negative emotion in patients with diabetic retinopathy after vitrectomy

Table 1 Comparative analysis between group of general information

Data	Normal group (n = 85)	Negative emotion group (n = 61)	t/χ2/Z	P value
Age (years, mean ± SD)	43.27 ± 5.62	46.43 ± 6.29	3.183	0.002
Sex (n)			6.782	0.009
Male	52	24
Female	33	37
Place of residence (n)			0.038	0.846
Village	46	34
Towns	39	27
Marital status (n)			2.988	0.224
Unmarried	5	1
Married	67	54
Divorced/widowed	13	6
Educational level (n)			2.460	0.014
Secondary school and lower	12	16
High school or technical secondary school	46	35
College and above	27	10
Family per capita monthly income (yuan, n)			3.119	0.002
< 5000	13	19
5000-10000	40	32
> 10000	32	10
Diabetes course (years, mean ± SD)	7.35 ± 1.49	9.52 ± 1.70	8.201	< 0.001
Family history of diabetes (n)			0.049	0.824
No	67	49
Yes	18	12
Underlying disease (n)
Hypertension	22	24	2.982	0.084
Hyperlipemia	16	9	0.414	0.520