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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