Table 1 Baseline clinical characteristics of the total cohort and those with suspected ventilator associated respiratory infection (sVARI)
Total cohort (267) | No VARI (190) | Suspected VARI (77) | P value | |
|---|---|---|---|---|
Median age (IQR) | 55 (46 to 65) | 55(46 to 67) | 55(46 to 66) | 0.77 |
Male sex (%) | 166 (62.7) | 116(61.1) | 50(64.9) | 0.55 |
Primary diagnosis at admission a | ||||
Respiratory | 51 (18.8) | 30(15.8) | 20(26.0) | 0.05 |
Cardiovascular | 8 (3.0) | 6(3.2) | 2(2.6) | 0.81 |
Gastroenterological | 20 (7.4) | 14(7.4) | 6(7.8) | 0.91 |
Neurological | 3 (1.11) | 3(1.6) | 0 | 0.27 |
Sepsis | 45 (16.6) | 29(15.3) | 16(20.8) | 0.28 |
Post-operative | 109 (40.2) | 79(41.6) | 28(36.4) | 0.43 |
Post arrest | 8 (3.0) | 8(4.2) | 0 | 0.07 |
Other | 8 (3.0) | 14 (7.4) | 5(6.5) | 0.80 |
Co-morbidities | ||||
Diabetes | 92 (34.0) | 64(33.7) | 26(33.8) | 0.99 |
COPD/Asthma | 51 (18.8) | 34(17.9) | 17(22.1) | 0.43 |
CAD | 132 (48.7) | 94(49.5) | 36(46.8) | 0.69 |
CHF | 77 (28.4) | 52(27.4) | 25(32.5) | 0.41 |
Liver disease | 54 (19.9) | 38(20.0) | 15(19.5) | 0.92 |
Malignancy | 73 (26.9) | 47(24.7) | 25(32.5) | 0.20 |
Dementia | 9 (3.3) | 5(2.6) | 4(5.2) | 0.3 |
Immunosuppressed | 34 (12.7) | 17 (9.0) | 17(22.1) | 0.004 |
Stroke | 29 (10.7) | 23(12.1) | 6(7.8) | 0.31 |
CRF | 75 (27.7) | 52(27.4) | 23(29.9) | 0.68 |
APACHE II Score b (IQR) | 27 (22 to 34) | 27(21 to 36) | 27(22 to 33) | 0.83 |