Mortality ratios from studies without follow-up or that used landmark analysis for children given one dose of DTP compared to children who had not received DTP
| Study | Age followed (months) | Type of study | DTP (died/total) | No DTP (died/total) | Mortality ratio (95% CI) | Mortality ratio adjustment |
|---|---|---|---|---|---|---|
| Burkino Faso51 | 0–24 | Landmark | 2 Died | 280 Died | 0.24 (0.06 to 0.96) | Age, dispensary use, diarrhoea, season |
| Philippines52 | 0–30 | Landmark | 91 Died | 6 Died* | 0.87 (0.33 to 2.29) | Age, sex, education, birth weight, TV |
| Guinea-Bissau30 | 1–20 | Landmark | 19/455 (4.2%) | 2/78 (2.6%) | 1.58 (0.36 to 7.02) | Age, sex |
| Guinea-Bissau31 | 2–14 | Landmark | 47/967 (4.9%) | 20/868 (2.3%) | 1.81 (0.95 to 3.45) | BCG, period, region, season, sex |
| Guinea-Bissau50 | 0–12 | Landmark | 62/1295 (4.8%) | 72/1822 (4.0%) | 1.84 (1.10 to 3.01) | BCG, cluster |
| Benin53 | 4–35 | Case –control | 15 Died | 18 Died | 2.20 (0.93 to 5.22) | Age, location, sex |
| Guinea-Bissau32 | 1–8 | Case fatality | 28/174 (16.1%) | 1/11 (9.1%) | 2.32 (0.53 to 40.03) | Age |
| Malawi33 | 0.2–8 | Landmark | 17 Died | 11 Died | 3.19 (0.80 to 12.8) | Age, HIV |
| Guinea-Bissau34 | 1–59 | Case fatality | 41/221 (18.6%) | 4/72 (5.6%) | 3.45 (1.30 to 9.09) | Age |
↵* Two deaths with no DTP information were classified as unvaccinated.
BCG, Bacillus Calmette–Guerin; DTP, diphtheria, tetanus and pertussis; TV, radio and TV ownership.