Total | GBS(+) Raw | GBS(−) Raw | Percentage (%) GBS(+) Raw | GBS(+) Dehydrated | GBS (−) Dehydrated | Percentage (%) GBS(+) Dehydrated | |
---|---|---|---|---|---|---|---|
Original placentas | 12 | 2 | 10 | 16.7 | / | / | / |
Uncontaminated samples | 9 | 0 | 9 | 0 | 0 | 9 | 0 |
Manual contaminated samples | 46 | 46 | 0 | 100 | 14 | 32 | 30.4 |
GBS, group B Streptococcus; −, negative; +, positive.