Effect of Atracurium versus Cisatracurium on QT interval changes in patients undergoing cataract surgery: a randomized clinical trial

Table 2 Comparison of mean QTc changes in the Cisatracurium and Atracurium groups at different time points (T0-T3)

Time points	Cisatracurium group (n = 40)		Atracurium group (n = 40)
Time points	QTc change	P-value	QTc change	P-value
5 min before anesthesia (T0) vs. 5 min after anesthesia (T1)	-9.325 (± 5.378)	0.045 *	-12.825 (± 6.580)	0.029 *
5 min before anesthesia (T0) vs. end of surgery (T2)	-9.925 (± 5.457)	0.038 *	13.375 (± 5.350)	0.008 *
5 min before anesthesia (T0) vs. after recovery (T3)	19.359 (± 8.738)	0.016 *	7.426 (± 5.050)	0.250
5 min after anesthesia (T1) vs. end of surgery (T2)	15.794 (± 2.497)	0.002 *	32.322 (± 5.110)	0.0019 *
5 min after anesthesia (T1) vs. after recovery (T2)	-10.025 (± 7.662)	0.099	7.775 (± 5.800)	0.093
end of surgery (T2) vs. after recovery (T3)	-9.425 (± 6.906)	0.90	8.325 (± 4.129)	0.025 *

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