| Predictor (reference group) |
Study | Reference Group Response |
Comparison Group Response |
Relative Risk (95% CI) |
|---|---|---|---|---|
| Sex (women vs. men) |
||||
| Kris, et al., 200329 | 18/93 | 4/123 | 6.0 (2.1-17) | |
| Fukuoku, et al., 200330 | 19/62 | 18/148 | 2.6 (1.2-5.9) | |
| Perez-Soler, et al., 200431 | NR | NR | NR | |
| Takano, et al., 200438 | 17/32 | 15/66 | 2.3 (1.3-4.1) | |
| Han, et al., 200551 | 5/24 | 5/49 | 2.0 (0.7-6.4) | |
| Miller, et al., 20048 | 17/91 | 4/48 | 2.2 (0.8-6.3) | |
| Han, et al., 200552 | NR | NR | NR | |
| Matsuura, et al., 200454 | NR | NR | NR | |
| Kasahara, et al., 200513 | 6/12 | 4/18 | 2.2 (0.80-6.3) | |
| Kim, et al., 200548 | 8/19 | 12/61 | 2.0 (0.97-4.3) | |
| Mitsudomi et al, 200549 | 15/23 | 11/27 | 2.1 (0.93-2.8) | |
| Tsao, et al., 200542 | 21/146 | 17/281 | 2.3 (1.3-4.4) | |
| Smoking (never vs. current/former) |
||||
| Kris, et al., 200419 | 7/19 | 8/40 | 1.8 (0.78-4.3) | |
| Han, et al., 200551 | 7/32 | 3/41 | 3.0 (0.84-10) | |
| Hotta, et al., 200460 | 7/28 | 8/28 | 0.88 (0.37-2.1) | |
| Miller, et al., 200453 | 13/36 | 8/103 | 4.6 (2.1-10) | |
| Takano, et al., 200438 | 20/32 | 12/60 | 3.1 (1.8-5.5) | |
| Han, et al., 200552 | NR | NR | NR | |
| Cappuzzo, et al., 200463 | NR | NR | NR | |
| Kasahara, et al., 200513 | 5/10 | 5/20 | 2.0 (0.75-5.3) | |
| Kim, et al., 200548 | 10/17 | 10/63 | 3.7 (1.9-7.4) | |
| Kishi, et al., 200565 | NR | NR | P = 0.0006 | |
| Mitsudomi, et al., 200549 | 17/25 | 9/25 | 1.9 (1.0-3.4) | |
| Taron, et al., 200566 | NR | NR | P < 0.05 | |
| Tsao, et al., 200542 | 23/93 | 12/311 | 6.4 (3.3-12) | |
| Villaflor, et al., 200570 | 7/20 | 5/130 | 9.1 (3.2-26) |
e As reported from final adjusted model.
Abbreviations: CI = confidence interval; NR = not reported; OR = odds ratio; PS = performance status