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Table 1 Characteristics of trials included in systematic review

From: Dexamethasone versus ondansetron in the prevention of postoperative nausea and vomiting in patients undergoing laparoscopic surgery: a meta-analysis of randomized controlled trials

Study

No. of patients (dexamethasone/ondansetron)

Patient characteristics

Jadad score

Type of anaesthesia

Intra-abdominal pressure

D’souza N et al.

61(30/31)

Adult patients undergoing laparoscopic gynaecologic surgery

4

General

10-14 mmHg

Ashwani K et al.

160(80/80)

Adult patients undergoing laparoscopic cholecystectomy

4

General

None

Erhan Y et al.

40(20/20)

Adult patients undergoing laparoscopic cholecystectomy

4

General

12 mmHg

Gautan B et al.

95(47/48)

Adult patients undergoing laparoscopic cholecystectomy

5

General

Below 15 mmHg

Aighanem SM et al.

120(60/60)

Adult patients undergoing laparoscopic cholecystectomy

5

General

10-16 cm of water

Mohammad E et al.

92(46/46)

Adult patients undergoing laparoscopic cholecystectomy

5

General

Below 15 mmHg

Yuksek MS et al.

40(20/20)

Adult patients undergoing laparoscopic gynaecologic surgery

4

Combined general epidural anaesthesia

12-18 mmHg