Table 5.
Standardised Mortality Ratios (SMR) by period of follow-up for Vietnam War national service Army 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 | 206 | 274.0 | 0.75 (0.66, 0.86) | 236 | 298.1 | 0.79 (0.70, 0.90) | 436 | 540.9 | 0.81 (0.73, 0.88) | 174 | 184.9 | 0.94 (0.81, 1.09) |
| Cancers | 22 | 26.4 | 0.83 (0.55, 1.27) | 56 | 56.0 | 1.00 (0.77, 1.30) | 146 | 171.1 | 0.85 (0.73, 1.00) | 74 | 75.4 | 0.98 (0.78, 1.23) |
| Lung cancer | 1 | 0.9 | 1.12 (0.16, 7.97) | 9 | 6.3 | 1.42 (0.74, 2.74) | 35 | 34.6 | 1.01 (0.73, 1.41) | 22 | 16.6 | 1.33 (0.87, 2.02) |
| Colorectal cancer | 2 | 1.5 | 1.31 (0.33, 5.26) | 4 | 6.3 | 0.63 (0.24, 1.69) | 14 | 22.9 | 0.61 (0.36, 1.03) | 10 | 9.9 | 1.01 (0.54, 1.87) |
| Circulatory diseases | 15 | 20.0 | 0.75 (0.45, 1.24) | 38 | 63.3 | 0.60 (0.44, 0.82) | 116 | 152.6 | 0.76 (0.63, 0.91) | 44 | 53.0 | 0.83 (0.62, 1.12) |
| Ischemic heart disease | 6 | 7.0 | 0.86 (0.39, 1.92) | 30 | 41.3 | 0.73 (0.51, 1.04) | 94 | 107.2 | 0.88 (0.72, 1.07) | 33 | 37.6 | 0.88 (0.62, 1.23) |
| Stroke | 3 | 4.7 | 0.64 (0.21, 1.98) | 3 | 8.8 | 0.34 (0.11, 1.06) | 6 | 18.6 | 0.32 (0.14, 0.72) | 4 | 6.0 | 0.66 (0.25, 1.77) |
| External causes | 161 | 192.4 | 0.84 (0.72, 0.98) | 114 | 125.3 | 0.91 (0.76, 1.09) | 89 | 104.5 | 0.85 (0.69, 1.05) | 21 | 21.6 | 0.97 (0.63, 1.49) |
| Motor vehicle accidents | 81 | 105.9 | 0.77 (0.62, 0.95) | 34 | 41.2 | 0.83 (0.59, 0.87) | 15 | 22.4 | 0.67 (0.40, 1.11) | 2 | 4.0 | 0.50 (0.12, 1.98) |
| Suicides | 27 | 35.8 | 0.75 (0.52, 1.10) | 41 | 42.0 | 0.98 (0.72, 1.33) | 51 | 45.2 | 1.13 (0.86, 1.48) | 11 | 9.3 | 1.18 (0.65, 2.13) |
*Observed deaths
†Expected deaths