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. Author manuscript; available in PMC: 2006 Nov 1.
Published in final edited form as: Anesth Analg. 2005 Nov;101(5):1349–1355. doi: 10.1213/01.ANE.0000180992.76743.C9

Table 2.

Early and delayed postoperative nausea and vomiting with of neostigmine versus control; results of the meta-analyses

Outcome Anticholinergics Number of Studies Number of Participants Relative risk [95% CI]
Early Nausea (0-6 h) Atropine and Glycopyrrolate 6 584 1.24 [0.86, 1.80]
Atropine 1 79 0.67 [0.36, 1.26]
Glycopyrrolate 5 505 1.39 [0.97, 1.99]
Early Vomiting (0-6 h) Atropine and Glycopyrrolate 8 768 1.05 [0.72, 1.55]
Atropine 2 199 0.75 [0.52, 1.08]
Glycopyrrolate 6 568 1.35 [0.88, 2.06]
Delayed Nausea (6-24 h) Glycopyrrolate 4 337 1.09 [0.76, 1.57]
Delayed Vomiting (6-24 h) Glycopyrrolate 4 337 1.01 [0.58, 1.78]