Table 4.
Standardised Mortality Ratios (SMR) by period of follow-up for Vietnam War regular Navy and Air Force veterans
| Follow-up | 0-9 years | 10-19 years | 20-29 years | 30+ years | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| O* | E† | SMR 95% CI | O | E | SMR 95% CI | O | E | SMR 95% CI | O | E | SMR 95% CI | |
| All deaths | 291 | 364.8 | 0.80 (0.71, 0.89) | 456 | 521.5 | 0.87 (0.80, 0.96) | 922 | 893.9 | 1.03 (0.97, 1.10) | 452 | 451.1 | 1.00 (0.91, 1.10) |
| Cancers | 44 | 49.0 | 0.90 (0.67, 1.21) | 129 | 131.1 | 0.98 (0.83, 1.17) | 385 | 314.5 | 1.22 (1.11, 1.35) | 185 | 181.1 | 1.02 (0.88, 1.18) |
| Lung cancer | 9 | 8.3 | 1.09 (0.57, 2.09) | 44 | 32.7 | 1.35 (1.00, 1.81) | 107 | 80.3 | 1.33 (1.10, 1.71) | 51 | 45.0 | 1.13 (0.86, 1.49) |
| Colorectal cancer | 8 | 5.3 | 1.51 (0.75, 3.01) | 13 | 17.2 | 0.76 (0.44, 1.30) | 54 | 43.1 | 1.25 (0.96, 1.63) | 24 | 24.7 | 0.97 (0.65, 1.45) |
| Circulatory diseases | 44 | 77.9 | 0.57 (0.42, 0.76) | 144 | 177.3 | 0.81 (0.69, 0.96) | 298 | 307.6 | 0.97 (0.86, 1.09) | 144 | 149.1 | 0.97 (0.82, 1.14) |
| Ischemic heart disease | 23 | 51.2 | 0.45 (0.30, 0.68) | 107 | 126.6 | 0.85 (0.70, 1.02) | 210 | 214.5 | 0.98 (0.86, 1.12) | 102 | 100.2 | 1.02 (0.84, 1.24) |
| Stroke | 16 | 12.4 | 1.29 (0.79, 2.10) | 18 | 23.0 | 0.78 (0.49, 1.24) | 41 | 41.0 | 1.00 (0.74, 1.36) | 19 | 22.5 | 0.84 (0.54, 1.32) |
| External causes | 180 | 183.5 | 0.98 (0.85, 1.13) | 130 | 124.3 | 1.05 (0.88, 1.24) | 102 | 98.2 | 1.04 (0.86, 1.26) | 28 | 29.1 | 0.96 (0.66, 1.39) |
| Motor vehicle accidents | 92 | 97.1 | 0.95 (0.77, 1.16) | 44 | 41.9 | 1.05 (0.78, 1.41) | 14 | 22.3 | 0.63 (0.37, 1.06) | 6 | 5.9 | 1.02 (0.46, 2.27) |
| Suicides | 19 | 35.6 | 0.53 (0.34, 0.84) | 38 | 40.0 | 0.95 (0.69, 1.31) | 53 | 40.6 | 1.30 (1.00, 1.71) | 11 | 11.8 | 0.93 (0.52, 1.68) |
*Observed deaths
†Expected deaths