Effect of pre-discharge cardiopulmonary fitness on outcomes in patients with ST-elevation myocardial infarction after percutaneous coronary intervention

Table 2 Clinical data of the two study groups

	IEP group (n = 118)	NIEP group (n = 381)	P
Age, median (IQR)	57.0 (50.0, 62.3)	58.0 (51.0, 64.0)	0.363
Sex, male (%)	96 (81.4%)	291 (76.4%)	0.310
Extensive anterior wall MI (%)	27 (22.9%)	93 (24.4%)	0.830
Killip class ≥II (%)	17 (14.4%)	64 (18.6%)	0.640
Stenotic vessels ≥2 (%)	97 (82.2%)	337 (88.5%)	0.120
WBC (10⁹/L), median (IQR)	9.2 (7.7, 11.0)	9.5 (7.3, 12.3)	0.396
HGB (g/L), median (IQR)	148.0 (137.3, 158.0)	144.0 (133.0, 154.0)	0.082
Cr (umol/L), median (IQR)	75.5 (64.3, 84.8)	72.6 (61.5, 86.7)	0.306
AST (U/L), median (IQR)	60.5 (28.5, 132.4)	66.1 (29.5, 147.7)	0.413
ALT (U/L), median (IQR)	38.2 (23.2, 59.1)	37.2 (22.8, 54.0)	0.393
TC (mmol/L), median (IQR)	4.5 (3.9, 5.0)	4.5 (3.8, 5.1)	0.915
HDL-C (mmol/L), median (IQR)	1.0 (0.9, 1.2)	1.1 (0.9, 1.3)	0.054
LDL-C (mmol/L), median (IQR)	2.9 (2.4, 3.4)	2.8 (2.3, 3.3)	0.249
Fasting blood sugar (mmol/L), median (IQR)	6.1 (5.1, 7.3)	6.1 (5.1, 7.6)	0.526

IEP group Individualized exercise prescriptions group, NIEP group Non-individualized exercise prescriptions group, extensive anterior wall MI Extensive anterior wall myocardial infarction, WBC White blood cell, HGB Hemoglobin, Cr Creatinine, AST Glutamic pyruvic transaminase, ALT Glutamic pyruvic aminotransferase, TC Total cholesterol, HDL-C High density lipoprotein cholesterol, LDL-C Low density lipoprotein cholesterol, IQR Interquartile range

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