Table 4.
Time | Control groupa | Cleaning group | X2 | P |
---|---|---|---|---|
48 hours | 4/104 (3.85%) | 2/92 (2.17%) | 0.460 | 0.498 |
48 hours to 7 days | 10/74 (13.51%) | 6/67 (8.96%) | 0.726 | 0.394 |
>7 days | 6/74 (8.02%) | 5/67 (7.46%) | 0.206 | 0.650 |
Total | 20/104 (19.23%) | 13/92 (14.13%) | 0.307 | 0.341 |
aData shown as n (%).