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Table 4 American Society of Anesthesiologists (ASA) Physical Classification Spectrum

From: Day of surgery cancellation rate after preoperative telephone nurse screening or comprehensive optimization visit

ASA classification

All surgerya (%)

CPA (%)

NS (%)

1

5.9

4.0

29.1

2

34.3

37.6

60.2

3

45.6

51.0

8.6

4

7.0

4.4

0.1

1–4E

7.3

3.0

2.1

  1. aThe dataset used to calculate “All surgery” was different than the denominator dataset in this study
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Perioperative Medicine

ISSN: 2047-0525