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| Variables (+/-) | Control (n = 23) | DEX (n = 24) | Values of P |
|---|---|---|---|
| Nausea | 13/10 | 8/16 | 0.1468 |
| Vomitting | 11/12 | 6/18 | 0.0392 |
| Bradycardia | 3/20 | 4/20 | >0.9999 |
| Respiratory depression | 0/23 | 0/24 | >0.9999 |
| Itching | 2/21 | 1/23 | 0.6085 |
+/-: positive patient number/ negative patient number.
