Prevalence and Factors Associated with Postoperative Nausea and Vomiting in an Ethiopian Comprehensive Specialized Hospital

Table 2

Intraoperative surgical and anesthesia characteristics of study participants at DTCSH from March 1 to May 30, 2019 (N = 162).

Variable	Frequency	Percentage (%)
Type of anesthesia
GA with Laryngeal mask airway	18	11.1
GA with Endotracheal tube	144	88.9
Induction agents
Propofol	108	66.7
Ketamine	36	22.2
Thiopentone	18	11.1
Type of surgery
Abdominal	78	48.1
Gynecology	51	31.5
Breast surgery	15	9.3
Thyroid	18	11.1
Duration of surgery (min)
60–90	9	5.6
90–120	9	5.6
>120	144	88.9
Duration of anesthesia (min)
60–90	8	4.9
90–120	10	6.2
>120	144	88.9
Total blood loss (ml)
<250	6	3.7
250−500	48	29.6
500−750	66	40.7
750−1,000	42	25.9
Total fluid given intraoperatively (ml)
250−500	3	1.9
500−1,000	45	27.8
1,000−2,000	105	64.8
>2,000	9	5.6
Postoperative opioids usage
Yes	119	73.5
No	43	26.5