Table 1 Study characteristics summary
Study Variables | N (% of total 31 studies) |
|---|---|
Region of study origin | |
Asia | 5 (16%) |
Europe | 9 (28%) |
North America | 18 (56%) |
Funding declared | |
Yes | 15 (47%) |
No | 16 (50%) |
NR | 1 (3%) |
Study design | |
Prospective | 9 (28%) |
Retrospective | 14 (44%) |
Secondary Analysis | 9 (28%) |
Studies where “FWAS” excluded | |
Yes (FWAS excluded) | 5 (16%) |
No, (FWAS included) | 27 (84%) |
Age of infants | |
0—56 days | 1 (3%) |
0—60 days | 8 (25%) |
0—90 days | 14 (44%) |
7—60 days | 3 (9%) |
8—60 days | 4 (13%) |
8—90 days | 2 (6%) |
Sample size per study | |
Median (IQR) | 1111 (602–1930) |
Range | 181 – 4411 |
Number of sites per study (30 recorded) | |
Median (IQR) | 3 (1 – 11) |
Range | 1 – 37 |
Reported outcomes of study | |
IBI | 17 (53%) |
SBI | 11 (34%) |
IBI + SBI | 4 (13%) |
Gender (29 studies reported) | |
Male < 50% | 2 (7%) |
Male > 50% | 27 (93%) |
Incidence of IBI (28 studies) | |
Range | 1.6%—5.9% |
Meningitis | - 1% |
Incidence of SBI (21 studies) | |
Range | 7%—38.7% |
UTI (21 studies) | 5.7 – 29.8% |