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Table 4 Incidence of postoperative nausea and vomiting (PONV)

From: The length of stay in the post-anaesthesia care unit correlates with pain intensity, nausea and vomiting on arrival

  

Nausea,n(%)

Vomiting,n(%)

  

On admittance

Before discharge

On admittance

Before discharge

Gender

Women

163 (3)

103 (2)*

15 (0.3)

0 (0)*

Men

73 (1)**

32 (1)*

6 (0.2)

0 (0)*

Age

<40 years

38 (3)

17 (1)*

4 (0.4)

0 (0)*

40–80 years

134 (2)**

87 (1)*

16 (0.4)

0 (0)*

>80 years

64 (2)**

(1)*

1 (0)

0 (0)

ASA classification

ASA I

33 (2)

21 (1)*

2 (0)

0 (0)

ASA II

115 (2)

65 (1)*

15 (1) **

0 (0)*

ASA III

88 (2)

48 (1)*

4 (0)

0 (0)

ASA IV

0 (0)

1 (1)*

0 (0)**

0 (0)

Surgical specialities

General surgery

146 (2)

88 (1)*

13 (0)

0 (0)*

Cardiac surgery

12 (3)

3 (1)*

0 (0)

0 (0)

Orthopaedic surgery

18 (3)

5 (1)*

2 (1)

0 (0)*

Spine surgery

12 (2)

17 (3)

5 (1)

0 (0)*

Urology

24 (1)**

15 (1)*

0 (0)

0 (0)

Ophthalmology

11 (1)**

5 (0)*

0 (0)

0 (0)

ENT surgery

3 (2)

0 (0)*

0 (0)

0 (0)

Anaesthetic technique

MAC

12 (3)

6 (1)*

0 (0)

0 (0)

Peripheral RA

1 (1)

0 (0)*

0 (0)

0 (0)

Central neuraxial RA

12 (2)

6 (1)*

1 (0)

0 (0)

General anaesthesia

178 (2)

104 (1)*

19 (0)

0 (0)*

Combined anaesthesia

33 (2)

19 (1)*

1 (0)

0 (0)

Duration of anaesthesia

<60 min

6 (3)

3 (2)*

1 (1)

0 (0)

60–180 min

120 (4)

77 (1)*

7 (0)

0 (0)

>180 min

110 (3)

55 (1)*

13 (0)

0 (0)*

Intensity of nursing care

PACU

164 (2)

101 (1)*

12 (0.1)

0 (0)*

IMC

69 (3)**

31 (1)*

9 (0.3)

0 (0)*

  1. ASA classification American Society of Anesthesiologists’ classification, ENT ear-nose-throat, IMC intermediate care (more complex intermediate care patients, NEMS >15), MAC monitored anaesthesia care, NRS numeric rating scale, PACU post-anaesthesia care unit (regular post-anaesthesia care unit patients NEMS ≤15), RA = regional anaesthesia.
  2. *p <0.05 (comparison admittance-discharge), **p <0.05 (gender: comparison with women; age: comparison with age <40 years; ASA classification: comparison with ASA I; surgical specialities: comparison with general surgery; anaesthetic technique: comparison with general anaesthesia; duration of anaesthesia: comparison with duration <60 min; intensity of nursing: comparison with PACU).