Table 1

Demographic characteristics of patients undergoing trabeculectomy surgery recruited in Guangdong and Guangxi provinces

All (N=212)Guangdong (N=103, 48.6%)Guangxi (N=109, 51.4%)p Value*
Age, years, mean (SD)60.2 (15.6)63.0 (13.5)57.5 (17.0)0.01
Female, no (%)115 (54.3)62 (60.2)53 (48.6)0.09
Employment, no (%)
 Working in agriculture135 (63.7)60 (58.2)75 (68.8)0.11
 Other77 (36.3)43 (41.8)34 (31.2)
Education, no (%)
 No schooling or elementary school132 (62.3)65 (63.1)67 (61.5)0.81
 Higher than elementary school80 (37.7)38 (36.9)42 (38.5)
Marital status, no (%)
 Married160 (75.5)81 (78.6)79 (72.5)0.30
 Divorce/widowed/unmarried52 (24.5)22 (21.4)30 (27.5)
Family annual income, US$, no (%)
 <$80045 (21.2)24 (23.3)21 (19.3)0.17
 $800–160067 (31.6)26 (25.2)41 (37.6)
 $1600–800078 (36.8)39 (37.9)39 (35.8)
 >$800022 (10.4)14 (13.6)8 (7.34)
  • *The two-sample t test was used for age and the χ2 test for comparisons between the two provinces.