Table 3 Characteristics of different VAE tiers
Characteristic | Overall | VAC-only | IVAC-plus | IVAC-only | PVAP |
|---|---|---|---|---|---|
Time to event from MV start, days | |||||
Median (IQR) | 4.0 (4.0, 9.0) | 4.0 (4.0, 7.0) | 5.5 (4.0, 8.8) | 5.0 (4.0, 14.3) | 5.5 (3.8, 8.3) |
Possible non-infectious reasons for VAC-only events, n (%) | |||||
Atelectasis | 7 (41.3%) | 7 (41.3%) | - | - | - |
ARDS | 3 (17.6%) | 3 (17.6%) | - | - | - |
Other | 3 (17.6%) | 3 (17.6%) | - | - | - |
Not identified | 4 (23.5%) | 4 (23.5%) | - | - | - |
IVAC-related antimicrobials, n (%) | |||||
Polymyxins | 10 (55.6%) | - | 10 (55.6%) | 2 (33.3%) | 8 (66.6%) |
Carbapenems | 4 (22.2%) | - | 4 (22.2%) | 2 (33.3%) | 2 (16.7%) |
Other | 4 (22.2%) | - | 4 (22.2%) | 2 (33.3%) | 2 (16.7%) |
PVAP-related agents, n (%) | |||||
A. baumannii | 6 (50.0%) | - | 6 (50.0%) | - | 6 (50.0%) |
K. pneumoniae | 3 (25.0%) | - | 3 (25.0%) | - | 3 (25.0%) |
C. striatum | 3 (25.0%) | - | 3 (25.0%) | - | 3 (25.0%) |
P. aeruginosa | 1 (8.3%) | - | 1 (8.3%) | - | 1 (8.3%) |
Other | 5 (41.6%) | - | 5 (41.6%) | - | 5 (41.6%) |