Skip to main content

Table 5 Survival time analysis until day 150 after inclusion (independent risk factors)

From: Acute and long-term survival in chronically critically ill surgical patients: a retrospective observational study

  Hazard ratio (95% confidence interval) P value
Age (per year)a 3.213 (1.823–5.665) < 0.001
Maximum APACHE II score (per point)b 15.311 (5.860–40.005) < 0.001
Number of surgical revisions (per revision)c 1.381 (1.154–1.652) < 0.001
Time-dependent covariate for number of surgical revisions 1.689 (1.189–2.400) 0.003
Maximum number of failing organs (per organ)c 1.664 (1.260–2.198) < 0.001
Pneumonia 2.263 (1.225–4.180) 0.009
Time-dependent covariate for pneumonia 1.480 (1.121–1.954) 0.006
Surgery for thoracic diseases 1.975 (1.335–2.921) 0.001
Peritonitis 1.789 (1.278–2.504) 0.001
  1. aAfter power transformation. bAfter logarithmic transformation.cAfter quadratic transformation. APACHE, Acute Physiology and Chronic Health Evaluation.