Clinical parameters for healthcare-associated pneumonia patients, stratified by whether a urine antigen test was obtained
| Variable | Urinary antigen test | p-value | |
| Obtained (n=179) | Not obtained (n=362) | ||
| Age years | 68 (55–80) | 70 (57–81) | 0.47 |
| Male | 76 (42.5) | 184 (50.8) | 0.08 |
| Intensive care unit | 99 (55.3) | 168 (46.4) | 0.06 |
| PaO2/FiO2 | 248.2 (191.9–303.8) | 252.2 (203.0–337.6) | 0.20 |
| Pleural effusion | 50 (27.9) | 108 (29.8) | 0.72 |
| eCURB | 0.043 (0.019–0.134) | 0.047 (0.019–0.116) | 0.94 |
| sCAP minor | 2 (1–3) | 2 (1–3) | 0.64 |
| CURB-65 score | |||
| 0 | 30 (16.8) | 55 (15.2) | 0.73 |
| 1 | 57 (31.8) | 106 (29.3) | 0.61 |
| 2 | 55 (30.7) | 132 (36.5) | 0.22 |
| 3 | 29 (16.2) | 55 (15.2) | 0.86 |
| 4 | 7 (3.9) | 13 (3.6) | 1 |
| 5 | 1 (0.6) | 1 (0.3) | 0.55 |
Data are presented as n (%) or median (interquartile range), unless otherwise stated. sCAP minor is the number of minor criteria for severe community-acquired pneumonia from the Infectious Diseases Society of America/American Thoracic Society 2007 community-acquired pneumonia guidelines 2007 and eCURB is the validated electronic version of CURB-65 (confusion, blood urea, respiratory rate, blood pressure, age 65 years) with weighted, continuous variables yielding a point estimate for 30-day mortality [13, 14]. PaO2: arterial oxygen tension; FiO2: fraction of inspired oxygen.