Table 1 of Chen, Mol Vis 2011; 17:2297-2310.


Table 1. Baseline characteristics


All subjects  
Variable Case (n=283) Control (n=280) p-value
Age (years) 18.8±0.8 19.4±2.4 <0.001
Male (%) 148 (51.0) 147 (51.4) 0.930
SEM of right eye (D) −8.2±1.7 −0.8±0.8 <0.001
SEM of left eye (D) −8.0±1.8 −0.7±0.8 <0.001
Progesterone (ng/ml) 3.7±3.8 5.2±6.6 0.008
Estradiol (pg/ml) 34.8±22.1 35.1±30.5 0.895
Testosterone (ng/ml) 4.1±2.8 3.4±2.5 <0.001
Male subjects
  Case (n=145) Control (n=144)  
Age (years) 18.8±1.0 19.2±2.1 0.019
SEM of right eye (D) −8.3±1.6 −0.9±0.8 <0.001
SEM of left eye (D) −8.1±1.5 −0.8±0.8 <0.001
Progesterone (ng/ml) 2.6±1.7 3.9±4.0 <0.001
Estradiol (pg/ml) 26.6±11.9 20.9±15.2 <0.001
Testosterone (ng/ml) 6.3±2.1 5.4±1.5 <0.001
Female subjects
  Case (n=138) Control (n=136)  
Age (years) 18.8±0.6 19.6±2.6 <0.001
SEM of right eye (D) −8.0±1.7 −0.7±0.8 <0.001
SEM of left eye (D) −7.9±2.1 −0.7±0.7 <0.001
Progesterone (ng/ml) 4.8±4.9 6.6±8.4 0.031
Estradiol (pg/ml) 43.4±26.7 50.2±35.4 0.074
Testosterone (ng/ml) 1.9±1.3 1.2±0.9 <0.001