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| Antimicrobial prescribing | EIA (n = 79) | PCR (n = 87) | P |
| Doses administered, mean (CI) | 7.24 (4.71-9.77) | 3.91 (1.71-6.13) | .051 |
| No treatment, n (%) | 54 (68.4) | 71 (81.6) | .071 |
| Metronidazole monotherapy, n (%) | 16 (20.2) | 11 (12.6) | .211 |
| Vancomycin monotherapy, n (%) | 7 (8.9) | 3 (3.5) | .195 |
| Combination therapy, n (%) | 2 (2.5) | 2 (2.3) | .999 |
Note: CI = 95% confidence interval; EIA = enzyme immunoassay; PCR = polymerase chain reaction.
