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. 2023 Nov 16;5(11):e1008. doi: 10.1097/CCE.0000000000001008

TABLE 1.

Baseline Characteristics

Total (N = 83) Negative EA and NBBL (N = 47) Positive EA and NBBL (N = 21) Positive EA, Negative NBBL (N = 14) p
Age (mean ± sd) 58.53 ± 14.43 54.36 ± 13.83 63.62 ± 11.92 64.71 ± 16.01 0.0095
Sex % female (n) 49.4% (41) 59.6% (28) 42.6% (9) 28.6% (4) 0.0943
Acute Physiology and Chronic Health Evaluation III (mean ± sd) 93.66 ± 31.77 93 ± 28.6 99 ± 28.34 91.5 ± 43.7 0.7457
Diabetes (n) 30.1% (25) 36.2% (17) 23.8% (5) 21.4% (3) 0.4274
Chronic obstructive pulmonary disease (n) 27.7% (23) 29.8% (14) 14.3% (3) 42.9% (6) 0.1684
Liver failure (n) 16.9% (14) 27.7% (13) 4.8% (1) 0% (0) 0.012
Immune suppression (n) 15.7% (13) 10.6% (5) 28.6% (6) 14.3% (2) 0.1712
Malignancy (n) 9.6% (8) 12.8% (6) 9.5% (2) 0% (0) 0.3682
Endotracheal tube days (mean ± sd) 6.024 ± 7.128 4.340 ± 4.944 8.048 ± 8.599 9.071 ± 9.515 0.0509
In-hospital mortality (n) 25.3% (21) 23.4% (11) 28.6% (6) 28.6% (4) 0.8689

EA = endotracheal aspirate, NBBL = nonbronchoscopic bronchoalveolar lavage.

Patients were broken into three groups based on EA and NBBL culture results: negative EA and NBBL (no infection), positive EA and NBBL (true infection), and positive EA, negative NBBL (suspected contamination).