Table 1: Demographic details of GAA cases and controls.

 Controls ( )Cases ( )
  % %

Gender0.170.68
 Man66471.646672.6
 Female26328.417627.4
Age (years)a7.610.47
 ≤35596.4497.6
 36–409610.4578.9
 41–4511212.1589.0
 46–5011912.89114.2
 51–5513014.010616.5
 56–6015316.510716.7
 61–65909.7599.2
 66–7011312.27311.4
 ≥71555.9426.5
Race0.900.34
 Han52256.334653.9
 Zhuang40543.729646.1
Smoking status0.070.79
 No29031.320531.9
 Yes63768.743768.1
Drinking status0.580.45
 No35238.025639.9
 Yes57562.038660.1

The mean ± S.D. ages were 53.30 ± 11.38 and 53.54 ± 12.02 for cases and controls, respectively.