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Table 2 GRADE evidence profile

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

No. of patients

Effect

Quality

 

NO. of studies

Risk of bias

Inconsistency

Indirectness

Imprecision

Other considerations

Dexamethasone

Ondansetron

Relative(95 % CI)

Absolute

 

7

No serious risk of bias

No serious inconsistency

No serious indirectness

Serious

None

101/303(33.3 %)

112/305(36.7 %)

RR 0.91(0.72-1.12)

33 fewer per 1000 (from 103 fewer to 44 more)

MODERATE

5

No serious risk of bias

No serious inconsistency

No serious indirectness

Serious

None

47/163(28.8 %)

39/165(23.6 %)

RR 1.25(0.84-1.76)

59 more per 1000 (from 38 fewer to 180 more)

MODERATE

5

No serious risk of bias

No serious inconsistency

No serious indirectness

Serious

None

13/163(8 %)

26/165(15.8 %)

RR 0.48(0.25-0.92)

82 fewer per 1000 (from 13 fewer to 118 more)

MODERATE

7

No serious risk of bias

No serious inconsistency

No serious indirectness

Serious

None

65/303(21.5 %)

73/305(23.9 %)

RR 0.89(0.64-1.19)

26 fewer per 1000 (from 86 fewer to 45 more)

MODERATE