Table 2.
Characteristics of culture-negative and culture-positive patients with HCAP
| Patient characteristics | Culture negative (n = 73) | Culture positive (n = 29) | p value | Difference (95% CI) |
|---|---|---|---|---|
| Male sex, n (%) | 41 (56) | 9 (31) | 0.03 | 25 (−7 to 52) |
| Age, years (mean ± SD) | 58.4 ± 16.4 | 59.4 ± 16.9 | 0.80 | −1.0 (−8.32 to 6.44) |
| HCAP RF (median) | 2.0 | 2.0 | 0.54 | 0.0 (−0.01 to 0.01) |
| PSI score (mean ± SD) | 87.6 ± 36.2 | 95.2 ± 39.4 | 0.37 | −7.6 (−24.56 to 9.41) |
| LOS, days (mean ± SD) | 7.9 ± 7.8 | 10.2 ± 13.2 | 0.39 | −2.3 (−7.48 to 2.99) |
| Readmission within 30 days, n (%) | 9 (12) | 3 (10) | 1.00 | 2 (−21 to 20) |
| Total cost, $ (median) | 35,704 | 41,084 | 0.095 | −5,380 (−22,654 to 2,422) |
| Inpatient mortality, n (%) | 9 (12) | 0 (0) | 0.06 | 12 (−7 to 23) |
CI Confidence interval, SD standard deviation, RF risk factors; PSI pneumonia severity index; LOS length of stay