Table 1. Prevalence of pneumococcus in isolates and cultures
| Culture | Isolation |
| Positive N (%) | Negative N (%) | p-value | Positive N (%) | Negative N (%) | p-value |
| Hospital |
| DN | 29/120 (24.2) | 91/120 (75.8) | 0.498 | 29/45 (64.4) | 16/45 (35.6) | 0.366 |
| QN1 | 22/120 (18.3) | 98/120 (81.7) | 22/43 (51.2) | 21/43 (48.8) |
| QN2 | 28/120 (23.3) | 92/120 (76.7) | 28/44 (63.5) | 16/44 (36.4) |
| Age group in months |
| 2-23 | 47/224 (21.0) | 177/224 (79.0) | 0.571 | 47/77 (61.0) | 30/77 (39.0) | 0.741 |
| (24-60) | 32/136 (23.5) | 104/136 (76.5) | 32/55 (58.2) | 23/55 (41.8) |
| Gender |
| Males | 53/220 (24.1) | 167//220 (75.9) | 0.217 | 53/88 (60.2) | 35/88 (39.8) | 0.900 |
| Females | 26/140 (18.6) | 114/140 (81.4) | 26/44 (59.1) | 18/44 (40.9) |
Da Nang Hospital for Woman and Children (DN), Quang Nam Children’s Hospital (QN1), Pediatrics Department of General Hospital at Northern Mountain of Quang Nam (QN2)