Immunosuppression | ||||||||
Yes# | No¶ | |||||||
VAT | VAP | No VA-LRTI | p-value | VAT | VAP | No VA-LRTI | p-value | |
Subjects n | 52 | 64 | 547 | 268 | 305 | 1724 | ||
MV duration days | 16 (10–25.5) | 15 (8–27) | 7 (4–14) | <0.0001 | 13 (8–22) | 14 (8–26) | 7 (4–12) | <0.0001 |
ICU length of stay days | 23 (16–38) | 20 (13–30) | 12 (7–20) | <0.0001 | 21 (14–33) | 21 (13–34) | 12 (8–19) | <0.0001 |
ICU mortality n (%) | 22 (42) | 41 (64)+ | 216 (39) | 0.001 | 71 (27) | 105 (34) | 457 (27) | 0.016 |
Data are presented as median (interquartile range), unless otherwise stated. p-values are for comparisons between the three groups. VAT: ventilator-associated tracheobronchitis; VAP: ventilator-associated pneumonia; VA-LRTI: ventilator-associated lower respiratory tract infection; MV: mechanical ventilation; ICU: intensive care unit. #: n=663; ¶: n=547; +: OR 3.4, 95% CI 1.93–5.96 versus VAP in patients with no immunosuppression; p<0.001.