Table 2 Risk for esophagus (ICD-9: 150), stomach (ICD-9: 151), colon (ICD-9:153) and rectum (ICD-9: 154) as the second primary cancer site among 33,787 oral/pharyngeal cancer (ICD-9: 140-149, except 142 and 147) patients.
First primary cancer site (ICD-9) | Â | Â | Esophagus | Stomach | Colon | Rectum | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Sex | OPY | O | E | SIR (95% CI) | O | E | SIR (95% CI) | O | E | SIR (95% CI) | O | E | SIR (95% CI) |
Oral cavity (140-1, 143-5) | All | 90644 | 99 | 17.73 | 5.57 (4.53-6.78) | 28 | 48.02 | 0.58 (0.39-0.84) | 39 | 41.63 | 0.93 (0.66-1.28) | 35 | 36.15 | 0.97 (0.67-1.34) |
| Â | M | 77527 | 99 | 17.25 | 5.74 (4.66-6.99) | 28 | 42.82 | 0.65 (0.43-0.95) | 31 | 34.68 | 0.89 (0.61-1.27) | 29 | 30.90 | 0.94 (0.63-1.35) |
| Â | F | 13117 | 0 | 0.48 | 0 (NA) | 0 | 5.20 | 0 (NA) | 8 | 6.95 | 1.15 (0.50-2.27) | 6 | 5.25 | 1.14 (0.42-2.49) |
Oropharynx (146,149) | All | 11303 | 30 | 2.11 | 14.29 (9.64-20.39) | 2 | 6.51 | 0.31 (0.03-1.11) | 0 | 5.63 | 0 (NA) | 3 | 4.77 | 0.63 (0.13-1.83) |
| Â | M | 8474 | 29 | 2.01 | 14.43 (9.66-20.72) | 0 | 5.48 | 0 (NA) | 0 | 4.25 | 0 (NA) | 3 | 3.73 | 0.80 (0.16-2.35) |
| Â | F | 2829 | 1 | 0.09 | 11.11 (0.15-61.82) | 2 | 1.03 | 1.94 (0.22-7.01) | 0 | 1.38 | 0 (NA) | 0 | 1.04 | 0 (NA) |
Hypopharynx (148) | All | 11212 | 71 | 3.12 | 22.76 (17.77-28.70) | 6 | 9.40 | 0.64 (0.23-1.39) | 7 | 7.18 | 0.97 (0.39-2.01) | 8 | 6.18 | 1.29 (0.56-2.55) |
| Â | M | 10721 | 69 | 3.09 | 22.33 (17.37-28.26) | 6 | 9.17 | 0.65 (0.24-1.42) | 6 | 6.87 | 0.87 (0.32-1.90) | 8 | 5.95 | 1.34 (0.58-2.65) |
| Â | F | 491 | 2 | 0.02 | 100 (11.23-361.05) | 0 | 0.23 | 0 (NA) | 1 | 0.30 | 3.33 (0.04-18.55) | 0 | 0.23 | 0 (NA) |