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Table 2 Comparison of postoperative clinical outcomes before and after propensity score matching between sevoflurane group and propofol group

From: Effects of sevoflurane and propofol on the development of pneumonia after esophagectomy: a retrospective cohort study

Postoperative Outcomes Before Matching After Matching
Group S (n = 1571) Group P (n = 88) P-value Group S (n = 78) Group P (n = 78) P-value
Postoperative pneumonia 151 (9.6) 7 (8.0) 0.606 6 (7.7) 5 (6.4) 0.754
ICU admission 88 (5.6) 4 (4.5) 0.674 4 (5.1) 2 (2.6) 0.405
Reintubation 33 (2.1) 0 (0) 0.170 2 (2.6) 0 (0) 0.155
Reoperation 34 (2.2) 0 (0) 0.163 1 (1.3) 0 (0) 0.316
Total hospital stay a 20 ± 12 19 ± 7 0.061 19 ± 7 18 ± 6 0.566
Postoperative hospital stay b 15 ± 11 13 ± 6 0.003 13 ± 5 12 ± 5 0.307
In-hospital mortality 3 (0.2) 0 (0) 0.682 0 (0) 0 (0)
  1. Values are expressed as mean ± standard deviation or number of patients (n, %)
  2. Abbreviations: S sevoflurane, P propofol, ICU intensive care unit
  3. aTotal hospital length of stay: period between the admission and discharge day
  4. bPostoperative length of stay: period between the day of surgery and the day of discharge