Ain-Shams Journal of Anesthesiology

Table 3 Comparison of the sample based on the frequency of occurrence of inadvertent perioperative hypothermia (core temperature < 36 °C)

From: A study on the effect of preoperative warming on post-induction core temperature and incidence of postoperative shivering in patients under general anesthesia

	Category
	No warming		Prewarming		p-value
	N	%	N	%
At induction	19	31.70%	1	1.70%	0.001
At 20 min	23	38.30%	1	1.70%	0.001
At 40 min	30	50.00%	3	5.00%	0.001
At 60 min	30	50.00%	3	5.00%	0.001
At 80 min	30	50.80%	1	1.80%	0.001
At 100 min	26	46.40%	0	0.00%	0.001
At 120 min	15	50.00%	0	0.00%	0.001
At 140 min	3	27.30%	0	0.00%	0.228
At 160 min	2	50.00%	0	0.00%	0.167
At reversal	26	43.30%	1	1.70%	0.001

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