Table 3.

Time effect analysis of EDV, ESV, EF, LVPER, LVPFR, nPER, and nPFR by treatment

Variable	Treatment	Time	Mean	Mean difference	SEM of difference	Paired t-test P-value
EDV	Anesthesia	5–10	4.26	1.56	0.20	<0.001
		60	2.70
	EA	20	2.69	0.74	0.14	<0.001
		60	1.94
ESV	Anesthesia	5–10	1.75	0.93	0.14	<0.001
		60	0.82
	EA	20	0.81	0.31	0.04	<0.001
		60	0.49
EF	Anesthesia	5–10	0.56	−0.17	0.03	<0.001
		60	0.73
	EA	20	0.71	−0.05	0.03	0.139
		60	0.76
LVPER	Anesthesia	5–10	−30.22	−4.16	0.98	0.001
		60	−26.06
	EA	20	−25.19	−2.89	1.06	0.020
		60	−22.30
LVPFR	Anesthesia	5–10	44.55	11.30	1.80	<0.001
		60	33.25
	EA	20	32.33	5.66	1.40	0.002
		60	26.67
nPER	Anesthesia	5–10	−7.26	2.68	0.36	<0.001
		60	−9.94
	EA	20	−9.83	1.72	0.49	0.005
		60	−11.55
nPFR	Anesthesia	5–10	10.89	−2.30	0.34	<0.001
		60	13.19
	EA	20	12.24	−1.56	0.73	0.057
		60	13.80