Cleaning method | Intervention group (n = 20) Mean ± SD | Control group (n = 15) Mean ± SD | p value |
Warm water only | 26.1 ± 26.3 | 16.5 ± 29.9 | 0.079 ns |
Soap and warm water | 68.5 ± 12.3 | 53.1 ± 17.8 | 0.045* |