Table 1. Characteristics of patients with S. aureus bacteraemia.
| All patients | MSSA | MRSA | p | |
|---|---|---|---|---|
| Median age in months (IQR) | (n=365) | (n=270) | (n=95) | 0.03 |
| 11.3 (3.8-42.3) | 14.0 (3.7-51.1) | 7.1 (3.8-19.6) | ||
| Male: Female | 193:172 | 151:119 | 42:53 | 0.05 |
| Median weight-for-age z-score (IQR) | (n=331) | (n=249) | (n=82) | 0.00 |
| -1.53 (-3.09;-0.36) | -1.24 (-2.35;-0.17) | -3.00 (-4.35;-1.38) | ||
| Underweight for age (%) | (n=331) | (n=249) | (n=82) | 0.00 |
| 131 (39.6%) | 79 (31.7%) | 52 (63.4%) | ||
| Median height-for-age z-score (IQR) | (n=167) | (n=103) | (n=64) | 0.00 |
| -1.69 (-3.11;-0.6) | -1.39 (-2.23;-0.5) | -2.65 (-3.82;-1.01) | ||
| Stunted (%) | (n=167) | (n=103) | (n=64) | 0.00 |
| 76 (45.5%) | 35 (34%) | 41 (64.1%) | ||
| Median weight-for-height z-score (IQR) | (n=149) | (n=88) | (n=61) | ns |
| -1.53 (-3.12;0.21) | -1.40 (-3.13;0.4) | -1.94 (-3.08;-0.01) | ||
| HIV infection (%) | (n=258) | (n=179) | (n=79) | 0.00 |
| 51 (19.8%) | 26 (14.5%) | 25 (31.6%) | ||
| HIV exposed but uninfected (%) | (n=248) | (n=180) | (n=68) | ns |
| 48 (19.4%) | 39 (21.7%) | 9 (13.2%) | ||
| Median white cell count x 109/L (IQR) | (n=354) | (n=262) | (n=92) | ns |
| 14.2 (9.3-20.8) | 14.3 (8.9-20.4) | 13.8 (9.7-21.6) | ||
| Leucocytosis (%) | (n=354) | (n=262) | (n=92) | ns |
| 157 (44.4%) | 123 (47%) | 34 (37%) | ||
| Median neutrophil count x 109/L (IQR) | (n=277) | (n=204) | (n=73) | ns |
| 5.6 (2.9-10.6) | 5.5 (2.9-10.4) | 5.7 (2.5-11.2) | ||
| Median band count x 109/L (IQR) | (n=268) | (n=198) | (n=70) | ns |
| 1.7 (0.48-3.6) | 1.7 (0.47-3.27) | 1.9 (0.49-4.3) | ||
| Median CRP mg/L (IQR) | (n=193) | (n=146) | (n=47) | ns |
| 53.6 (15.2-175.5) | 54.5 (14.4-176.7) | 48.8 (16.1-134) | ||
| Median temperature at time of blood culture °C (IQR) | (n=321) | (n=246) | (n=75) | ns |
| 38°C (37.0-38.8°C) | 38.0°C (36.9-38.8°C) | 38.1°C (37.3-38.9°C) |
(IQR = Interquartile range; CRP = C-reactive protein; ns= Not significant)