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Table 2 Baseline characteristics of enrolled infants
| Regimena | A | B | C | D | |
|---|---|---|---|---|---|
| Number of infants enrolled | 148 | 139 | 148 | 139 | |
| Age at enrollment (days) | Mean (SD) | 17 (15) | 17 (15) | 17 (16) | 20 (17) |
| < 7 days | 54 (36.5%) | 46 (33.1%) | 55 (37.2%) | 43 (30.9%) | |
| ≥ 7 days | 94 (63.5%) | 93 (66.9%) | 93 (62.8%) | 96 (69.1%) | |
| Sex | Male | 75 (50.7%) | 76 (54.7%) | 70 (47.3%) | 81 (58.3%) |
| Respiratory rate | Mean (SD) | 69 (19) | 69 (19) | 70 (20) | 67 (19) |
| < 60 | 54 (36.5%) | 47 (33.8%) | 52 (35.1%) | 57 (41.0%) | |
| 60–70 | 27 (18.2%) | 21 (15.1%) | 26 (17.6%) | 16 (11.5%) | |
| 70–79 | 22 (14.9%) | 33 (23.7%) | 26 (17.6%) | 32 (23.7%) | |
| 80–89 | 24 (16.2%) | 20 (14.4%) | 25 (16.9%) | 19 (13.7%) | |
| 90–99 | 8 (5.4%) | 9 (6.5%) | 9 (6.1%) | 8 (5.8%) | |
| ≥ 100 | 13 (8.8%) | 9 (6.5%) | 10 (6.8%) | 7 (5.0%) | |
| Temperature | < 35.5 | 6 (4.1%) | 8 (5.8%) | 12 (8.1%) | 12 (8.6%) |
| 35.5–37.9 | 39 (26.4%) | 47 (33.8%) | 44 (29.7%) | 33 (23.7%) | |
| ≥38.0–38.9 | 96 (64.9%) | 70 (50.4%) | 80 (54.1%) | 76 (54.7%) | |
| ≥39.0 | 7 (4.7%) | 14 (10.1%) | 12 (8.1%) | 18 (12.9%) | |
| Poor feeding | 23 (15.5%) | 22 (15.8%) | 26 (17.6%) | 25 (18.0%) | |
| Movement only on stimulation | 3 (2.0%) | 5 (3.6%) | 3 (2.0%) | 1 (0.7%) | |
| Severe chest indrawing | 33 (22.3%) | 40 (28.8%) | 32 (21.6%) | 31 (22.3%) | |
| Number of signs at enrollment | 1 | 129 (87.2%) | 120 (86.3%) | 128 (86.5%) | 120 (86.3%) |
| 2 | 18 (12.2%) | 18 (12.9%) | 17 (11.5%) | 16 (11.5%) | |
| ≥ 3 | 1 (0.7%) | 1 (0.7%) | 1 (0.7%) | 3 (2.2%) | |
