Table 1 Demographics of the study population and numbers of samples collected and pathogens isolated with regard to age group
From: Aerobic bacteria associated with chronic suppurative otitis media in Angola
Age group (years) | N (%) | Gender (male/female)1 | Ear discharge samples | Nasopharyngeal samples | Total | Corresponding isolates3 | ||||
|---|---|---|---|---|---|---|---|---|---|---|
N | Isolates2 | N | Isolates2 | N | Isolates2 | Ear/Ear | Ear/Nph | |||
< 5 | 34 (22) | 20/14 | 44 | 124 (2.8 [0–5]) | 34 | 104 (3.1 [1–6]) | 78 | 194 (2.5 [0–6]) | 10 (18.2) | 7 (10) |
5–9 | 23 (15) | 15/8 | 26 | 81 (3.1 [0–6]) | 23 | 52 (2.3 [0–3]) | 49 | 117 (2.4 [0–6]) | 7 (36.8) | 3 (8.3) |
10–14 | 24 (16) | 16/8 | 31 | 97 (3.1 [1–7]) | 24 | 51 (2.1 [0–5]) | 55 | 144 (2.6 [0–7]) | 15 (33.3) | 6 (12.8) |
≥ 15 | 55 (36) | 33/22 | 66 | 184 (2.8 [1–6]) | 54 | 109 (2.0 [0–4]) | 120 | 286 (2.4 [0–6]) | 18 (29.5) | 11 (10.8) |
No age data | 16 (11) | 7/4 | 17 | 48 (2.8 [1–4]) | 16 | 45 (2.8 [1–4]) | 33 | 96 (2.9 [1–4]) | 2 (28.6) | 0 |
Total | 152 | 91/56 | 1844 | 534 (2.9 [0–7]) | 1515 | 361 (2.4 [0–6]) | 335 | 823 (2.5 [0–7]) | 52 (27.3) | 27 (9.3) |