Table 4 The incidence of intraoperative adverse effects

From: Spinal anesthesia for lengthy lower limb orthopedic surgeries: dexmedetomidine plus fentanyl versus dexmedetomidine

	Group D	Group DF	P
Sedation (Ramsay scale > 2)	11 (48%)	17 (75%)	0.172
Shivering	6 (27%)	3 (13%)	0.268
Vomiting	1 (4%)	3 (13%)	0.301
Itching	0 (0%)	2 (9%)^*	0.001

Data are in number (percent). n = 23
^*Significant difference, P ≤ 0.05

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