Incidence and mortality of pneumonia in pregnancy
| Author | No. of cases | Incidence per 1000 deliveries | Drug use |
HIV positive | Maternal mortality | Preterm delivery |
| Finland10 | 164 | 6.3 | NR | NR | 18/74 (24%) | 32/74 (43%) |
| Hopwood11 | 23 | 8.5 | NR | NR | 2/23 (8.7%) | NR |
| Benedetti12 | 39 | 0.44 | NR | NR | 0/39 (0%) | 3/20 (15%) |
| Madinger13 | 25 | 0.78 | 5/25 (20%) | 1/25 (4%) | 1/25 (4%) | 9/21 (43%) |
| Berkowitz14 | 25 | 2.7 | 13/25 (52%) | 3/11 (27%) | 0/25 (0%) | 1/18 (6%) |
| Richey15 | 71 | 1.2 | 10/71 (14%) | 2/56 (4%) | 2/71 (3%) | 1/71 (1%) |
| Yost16 | 133 | 1.5 | NR | NR | 0/133 (0%) | 14/107 (13%) |
NR = not reported