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Fig. 3 | BMC Anesthesiology

Fig. 3

From: Effect of butorphanol on visceral pain in patients undergoing gastrointestinal endoscopy: a randomized controlled trial

Fig. 3

Changes in MAP, HR, SpO2, and RR. MAP, HR: Normal distribution, mean, and SD. SpO2, RR: Nonnormal distribution, median, and upper/lower limit. T0, at admission; T1, before anesthesia; T2, 5 min after propofol administration; T3, at the end of the operation; T4, 5 min in the PACU; T5, 10 min after recovery; T6, 30 min after recovery. Only after the administration (T2, t = -2.716, P = 0.007) and the end of the operation (T3, t = -2.261, P = 0.025) was the HR of Group I slightly lower than that of Group II, and the other time points were not significantly different

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