Incidence and clinical outcomes of ventilator-associated events in Russian tertiary care settings: an analysis of electronic health records

Table 2 Incidence rates of VAE and its tiers, stratified by patients’ profile

VAE tier	Incidence rate, by 1000 ventilator days (with 95% CI)
VAE tier	Surgical patients	Medical patients
VAE, overall	9.28 (5.75, 14.20)	7.32 (4.00, 12.30)
VAC-only	4.87 (2.43, 8.70)	3.14 (1.15, 6.84)
IVAC-plus	4.42 (2.12, 8.13)	4.19 (1.81, 8.25)
IVAC-only	1.77 (0.48, 4.53)	1.05 (0.13, 3.78)
PVAP	2.65 (0.97, 5.78)	3.14 (1.15, 6.84)

Abbreviations: VAE, ventilator-associated event; VAC, ventilator-associated condition; IVAC, infection-related ventilator-associated complication; PVAP, possible ventilator-associated pneumonia; IR, incidence rate; CI, confidence interval. Categories: VAE-minus, patients who did not develop VAE; VAE-plus, patients with VAE; VAC-only, patients with VAC and without criteria of subsequent tiers; IVAC-plus, patients with IVAC criteria (including patients with PVAP); IVAC-only, patients with IVAC patients with IVAC but not meeting PVAP criteria; PVAP, patients with PVAP criteria

ISSN: 1756-0500