Outcome | EIA (n = 141) | PCR (n = 140) | P value |
---|---|---|---|
No. of tests sent per patient | 1.82 ± 1.35 | 1.41 ± 0.86 | 0.007 |
Turnaround time, hours | 32.5 (4.3–91.7) | 7.2 (2.4–16.9) | < 0.001 |
Empiric antibiotic therapy prior to negative result | 27 (19.1) | 9 (6.4) | 0.002 |
Time to antibiotic discontinuation, days | 6 (0–89) | 1 (0–14) | 0.002 |
Antibiotic therapy after negative result | 26 (18.4) | 8 (5.7) | 0.002 |
Duration of therapy after negative result, days | 4 (0–88) | 1 (0–14) | 0.029 |
Contact isolation | 11 (7.8) | 24 (17.1) | 0.018 |
Duration of contact isolation, days | 2 (1–24) | 1 (0–13) | 0.008 |
Length of stay, days | 13.5 ± 14.1 | 14.8 ± 11 | 0.378 |
Hospital costs | 20,170.21 ± 21,160.43 | 22,167.86 ± 16,523.10 | 0.378 |
Medication costs | 546.60 ± 790.39 | 188.96 ± 179.14 | 0.191 |
CDI assay costs | 8.33 (8.33–33.32) | 42.86 (42.86–171.44) | < 0.0001 |
Total costs | 20,290.00 ± 21,267.75 | 22,240.31 ± 16,535.50 | 0.391 |