Table 6.
Standardised Mortality Ratios (SMR) by period of follow-up for Vietnam War national service Army nonveterans (comparisons)
| 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 | 204 | 351.9 | 0.58 (0.51, 0.67) | 240 | 385.1 | 0.62 (0.55, 0.71) | 484 | 688.6 | 0.70 (0.64, 0.77) | 161 | 238.0 | 0.68 (0.58, 0.79) |
| Cancers | 28 | 33.6 | 0.83 (0.58, 1.21) | 49 | 72.3 | 0.68 (0.51, 0.90) | 171 | 217.2 | 0.79 (0.68, 0.91) | 72 | 97.5 | 0.74 (0.59, 0.93) |
| Lung cancer | 1 | 1.2 | 0.87 (0.12, 6.15) | 3 | 8.1 | 0.37 (0.12, 1.15) | 31 | 43.8 | 0.71 (0.50, 1.01) | 13 | 21.7 | 0.60 (0.35, 1.03) |
| Colorectal cancer | 2 | 1.9 | 1.03 (0.26, 4.10) | 6 | 8.1 | 0.74 (0.33, 1.64) | 28 | 29.0 | 0.96 (0.67, 1.40) | 10 | 12.9 | 0.78 (0.42, 1.44) |
| Circulatory diseases | 8 | 25.7 | 0.31 (0.16, 0.62) | 51 | 81.1 | 0.63 (0.48, 0.83) | 148 | 194.1 | 0.76 (0.65, 0.90) | 47 | 68.3 | 0.69 (0.52, 0.92) |
| Ischemic heart disease | 4 | 8.9 | 0.45 (0.17, 1.19) | 35 | 52.8 | 0.66 (0.48, 0.92) | 103 | 136.2 | 0.76 (0.62, 0.92) | 31 | 48.5 | 0.64 (0.45, 0.91) |
| Stroke | 0 | 6.1 | - | 8 | 11.3 | 0.71 (0.35, 1.41) | 18 | 23.8 | 0.76 (0.48, 1.20) | 6 | 7.7 | 0.78 (0.35, 1.73) |
| External causes | 159 | 247.6 | 0.64 (0.55, 0.75) | 117 | 161.8 | 0.72 (0.60, 0.87) | 90 | 133.8 | 0.67 (0.55, 0.83) | 16 | 27.3 | 0.59 (0.36, 0.96) |
| Motor vehicle accidents | 71 | 136.0 | 0.52 (0.41, 0.66) | 33 | 53.0 | 0.62 (0.44, 0.88) | 17 | 28.8 | 0.59 (0.37, 0.95) | 4 | 5.0 | 0.79 (0.30, 2.12) |
| Suicides | 15 | 46.5 | 0.32 (0.19, 0.54) | 49 | 54.5 | 0.90 (0.68, 1.19) | 43 | 57.8 | 0.74 (0.55, 1.00) | 8 | 11.8 | 0.68 (0.34, 1.35) |
*Observed deaths
†Expected deaths