| Pathogens | SIDS | Sudden unexpected deaths (non-infectious) | Sudden unexpected deaths (infection-related) |
| n = 130 (%) | n = 31 (%) | n = 31 (%) | |
| S aureus (as sole organism) | 8 (6.2) | 0 | 8 (25.8) |
| S aureus with other bacteria | 20 (15.4) | 2 (6.5) | 5 (16.1) |
| H influenzae (as sole organism) | 4 (3.0) | 0 | 1 (3.2) |
| H influenzae type b (as sole organism) | 0 | 0 | 2 (6.5) |
| H influenzae with other bacteria | 11 (8.5) | 1 (3.2) | 2 (6.5) |
| S pneumoniae (as sole organism) | 0 | 0 | 5 (16.1) |
| S pneumoniae with other bacteria | 8 (6.2) | 1 (3.2) | 4 (12.9) |
| N meningitidis | 0 | 0 (0) | 2 (6.5) |
| S agalactiae | 0 | 0 (0) | 2 (6.5) |
| Coliform as sole organism | 7 (5.4) | 2 (6.5) | 3 (9.7) |
| Coliform with other bacteria | 13 (10.0) | 3 (9.7) | 3 (9.7) |
| Sterile lung | 34 (26.2) | 8 (25.8) | 11 (35.5) |
SIDS, sudden infant death syndrome.