Table 2

Prevalence (%) of pterygium by age, sex, and stratum

Age group Melbourne males (n=1505) Melbourne females (n=1734) Nursing home males (n=69) Nursing home females (n=290) Rural males (n=691) Rural females (n=765) Weighted population total
40–490.570.44005.052.531.39
50–592.490.76008.383.982.81
60–692.360.93012.511.72.943.41
70–791.370.901.649.925.763.30
80–891.79002.1131.310.06.40
90+0001.3533.301.90
Age standardised rate (95% CL)1.76 (1.09, 2.42)0.71 (0.31, 1.10)03.62 (0, 10.1)9.78 (7.39, 12.2)3.83 (2.42, 5.24)2.83 (2.35, 3.31)