Table 5 Adverse effect of a prophylactive agent in those patients who underwent orthopedic surgery at the comprehensive specialized hospital of Wolaita Sodo University from February 28/2020–August 28, 2020
Variables | Ketamine group (n = 258) | Tramadol group (n = 258) | Chi-square | |
|---|---|---|---|---|
X2 | P-value | |||
Nausea and vomiting | ||||
 Yes | 8(3.1%) | 157(60.9%) | 197.8 | 0.001 |
 No | 250(96.9%) | 101(39.1%) |  |  |
Sedation (Ramsay score ≤ 3) | ||||
 Yes | 104(40.3%) | 16(6.2%) | 83.8 | 0.001 |
 No | 154(59.7%) | 242(93.8%) |  |  |