Groups | Numbera | Statistical methodb | OR (95 % CI) | P |
---|---|---|---|---|
All | ||||
GSTM1 null + GSTT1 positive | 7 | Random (P < 0.001) | 0.83 (0.56– 1.23) | 0.356 |
GSTM1 positive + GSTT1 null | 7 | Fixed (P = 0.240) | 1.20 (0.95– 1.53) | 0.134 |
GSTM1 null + GSTT1 null | 7 | Random (P = 0.010) | 1.16 (0.71– 1.89) | 0.545 |
Ethnics | ||||
Caucasian | ||||
GSTM1 null + GSTT1 positive | 6 | Random (P < 0.001) | 0.85 (0.52– 1.37) | 0.494 |
GSTM1 positive + GSTT1 null | 6 | Fixed (P = 0.658) | 1.00 (0.74– 1.34) | 0.983 |
GSTM1 null + GSTT1 null | 6 | Random (P = 0.008) | 1.27 (0.67– 2.38) | 0.466 |
Study design | ||||
PB | ||||
GSTM1 null + GSTT1 positive | 2 | Fixed (P = 0.591) | 0.71 (0.54– 0.92) | 0.009 |
GSTM1 positive + GSTT1 null | 2 | Fixed (P = 0.334) | 1.03 (0.69– 1.53) | 0.899 |
GSTM1 null + GSTT1 null | 2 | Random (P = 0.036) | 0.87 (0.34– 2.18) | 0.760 |
HB | ||||
GSTM1 null + GSTT1 positive | 5 | Random (P < 0.001) | 0.88 (0.47– 1.65) | 0.697 |
GSTM1 positive + GSTT1 null | 5 | Fixed (P = 0.196) | 1.32 (0.97– 1.79) | 0.073 |
GSTM1 null + GSTT1 null | 5 | Random (P = 0.024) | 1.38 (0.71– 2.69) | 0.336 |
Gender | ||||
Male | ||||
GSTM1 null + GSTT1 positive | 2 | Fixed (P = 0.990) | 0.88 (0.49– 1.59) | 0.676 |
GSTM1 positive + GSTT1 null | 2 | Fixed (P = 0.476) | 0.84 (0.28– 2.50) | 0.749 |
GSTM1 null + GSTT1 null | 2 | Fixed (P = 0.672) | 1.48 (0.52– 4.21) | 0.463 |
Female | ||||
GSTM1 null + GSTT1 positive | 2 | Random (P < 0.001) | 0.79 (0.06– 10.87) | 0.858 |
GSTM1 positive + GSTT1 null | 2 | Fixed (P = 0.767) | 0.62 (0.27– 1.43) | 0.264 |
GSTM1 null + GSTT1 null | 2 | Random (P = 0.074) | 0.91 (0.15– 5.57) | 0.919 |
Cataract type | ||||
Cortical | ||||
GSTM1 null + GSTT1 positive | 3 | Fixed (P = 0.745) | 0.82 (0.62– 1.10) | 0.181 |
GSTM1 positive + GSTT1 null | 3 | Fixed (P = 0.131) | 1.39 (0.99– 1.96) | 0.061 |
GSTM1 null + GSTT1 null | 3 | Fixed (P = 0.171) | 1.03 (0.72– 1.48) | 0.855 |
Nuclear | ||||
GSTM1 null + GSTT1 positive | 2 | Random (P = 0.030) | 1.00 (0.39– 2.56) | 0.994 |
GSTM1 positive + GSTT1 null | 2 | Random (P = 0.081) | 0.67 (0.11– 4.24) | 0.668 |
GSTM1 null + GSTT1 null | 2 | Fixed (P = 0.868) | 1.16 (0.56– 2.38) | 0.694 |
Posterior subcapsular | ||||
GSTM1 null + GSTT1 positive | 2 | Random (P = 0.038) | 1.20 (0.42– 3.39) | 0.734 |
GSTM1 positive + GSTT1 null | 2 | Fixed (P = 0.157) | 1.15 (0.59– 2.26) | 0.682 |
GSTM1 null + GSTT1 null | 2 | Fixed (P = 0.399) | 1.97 (0.98– 3.97) | 0.059 |
Mixed | ||||
GSTM1 null + GSTT1 positive | 2 | Random (P = 0.019) | 0.81 (0.25– 2.61) | 0.724 |
GSTM1 positive + GSTT1 null | 2 | Fixed (P = 0.130) | 1.22 (0.68– 2.21) | 0.505 |
GSTM1 null + GSTT1 null | 2 | Fixed (P = 0.523) | 1.44 (0.74– 2.79) | 0.279 |