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. 2021 Mar 26;100(12):e25235. doi: 10.1097/MD.0000000000025235

Table 4.

Mean (SE) changes in perioperative core temperature (°C) at 30-minute intervals post-induction.

Peri-induction warming group Control group Mean difference between groups∗∗
Time, min Change in core temperature n Change in core temperature N (95% CI) P ∗∗
0 −0.45 (0.02) 63 −0.59 (0.02) 63 0.246 (0.065–0.427) .008
30 −0.61 (0.03) 63 −0.89 (0.03) 63 0.390 (0.210–0.571) <.001
60 −0.59 (0.04) 63 −0.96 (0.04) 63 0.473 (0.292–0.654) <.001
90 −0.51 (0.04) 63 −0.88 (0.04) 63 0.478 (0.297–0.658) <.001
120 −0.44 (0.05) 60 −0.75 (0.05) 60 0.415 (0.234–0.586) <.001
150 −0.38 (0.05) 53 −0.64 (0.05) 56 0.374 (0.192–0.556) <.001
180 −0.32 (0.06) 50 −0.58 (0.06) 45 0.361 (0.177–0.546) <.001
210 −0.25 (0.06) 44 −0.50 (0.06) 39 0.357 (0.169–0.545) <.001
240 −0.2 (0.06) 41 −0.46 (0.06) 36 0.368 (0.176–0.559) <.001
270 −0.16 (0.07) 26 −0.43 (0.07) 29 0.373 (0.176–0.570) <.001
300 −0.19 (0.07) 20 −0.40 (0.07) 20 0.318 (0.114–0.523) .002
330 −0.17 (0.08) 16 −0.38 (0.08) 19 0.317 (0.110–0.523) .003
360 −0.17 (0.08) 13 −0.36 (0.08) 14 0.303 (0.106–0.499) .003
PACU arrival 0.02 (0.07) 63 −0.24 (0.07) 62 0.364 (0.183–0.544) <.001
PACU 10 min −0.02 (0.07) 61 −0.24 (0.07) 59 0.329 (0.148–0.510) <.001
PACU 20 min −0.04 (0.07) 61 −0.24 (0.07) 59 0.308 (0.126–0.489) .001
PACU 30 min −0.01 (0.07) 60 −0.21 (0.07) 59 0.304 (0.123–0.486) .001

P < .05 in group × time comparison compared with preoperative time using mixed-effects model with post hoc Bonferroni test.

∗∗

P value in group × time comparison compared with peri-induction warming group – control group using mixed-effects model with post hoc Bonferroni test.

CI = confidence interval, PACU = post-anesthesia care unit, SE = Standard error.