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Table 7 Various risk profiles for outcomes in OHS day surgery

From: Root causes of extended length of stay and unplanned readmissions after orthopedic surgery and hand surgery: a retrospective observational cohort study

Combination

Total N

n of patients

OR (95% CI)

P-value

PPV

NPV

Specificity

Sensitivity

Female & Fentanyl ≥0.16 mg i.v.

539

16

6.97 (2.29–21.29)

< 0.001

31.3%

93.9%

97.8%

13.5%

Female & Remifentanil

542

18

4.25 (1.33–13.64)

0.015

22.2%

93.7%

97.2%

10.8%

Fentanyl ≥0.16 mg i.v. & Remifentanil

539

26

5.93 (2.31–15.21)

< 0.001

26.9%

94.2%

96.2%

18.9%

Female & Fentanyl ≥0.16 mg i.v. & Remifentanil

539

8

15.09 (3.61–63.06)

< 0.001

50.0%

93.8%

99.2%

10.8%

Fentanyl ≥0.16 mg i.v. & General anesthesia

539

30

4.86 (1.93–12.23)

< 0.001

23.3%

94.1%

95.4%

18.9%

Fentanyl ≥0.16 mg i.v. & Plexus block

538

18

5.87 (1.97–17.47)

0.001

27.8%

93.8%

97.4%

13.5%

Fentanyl ≥0.16 mg i.v. & Remifentanil & General anesthesia

539

26

5.93 (2.31–15.21)

< 0.001

26.9%

94.2%

96.2%

18.9%

Female & Fentanyl ≥0.16 mg i.v. & General anesthesia

539

10

10.02 (2.70–37.26)

< 0.001

40.0%

93.8%

98.8%

10.8%

Female & Fentanyl ≥0.16 mg i.v. & Plexus block

538

6

14.65 (2.85–75.33)

0.001

50.0%

93.6%

99.4%

8.1%

Female & Antiemetic medication

540

13

6.65 (1.95–22.75)

0.003

30.8%

93.7%

98.2%

10.8%

Fentanyl ≥0.16 & Antiemetic medication

539

14

2.33 (0.50–10.84)

0.280

14.3%

93.3%

97.6%

5.4%

  1. OR Odds ratio, CI Confidence interval, PPV Positive predictive value, NPV Negative predictive value, i.v. intravenous