Efficacy and prognostic impact of Pericarpium Trichosanthis injection combined with nicorandil for intractable angina pectoris in elderly patients: A retrospective study

Table 1 General data for patients (mean ± SD), n (%)

	Overall (n = 130)	Study group (n = 72)	Control group (n = 58)	P value
Age (yr)	73 ± 10	72 ± 11	74 ± 6	0.42
Males	78 (60)	40 (56)	38 (66)	0.09
Heart rate (bpm)	72 ± 16	71 ± 16	72 ± 17	0.01a
Systolic pressure (mmHg)	114 ± 21	114 ± 20	119 ± 22	0.27
Diastolic pressure (mmHg)	73 ± 16	71 ± 9	76 ± 7	0.14
LVEF (%)	77 ± 15	77 ± 10	75 ± 11	0.47
Creatinine (mmol/L)	100 ± 52	92 ± 44	99 ± 40	0.21
Arterial high pressure	10 (8)	6 (8)	4 (7)	0.62
Diabetes mellitus	22 (17)	13 (18)	9 (16)	0.76
Dyslipidemia	44 (34)	25 (35)	19(33)	0.22
Current smoking	50 (38)	24 (33)	26(45)	0.62
Antithrombotics
Aspirin	84(65)	50(69)	34 (59)	0.11
Clopidogrel	46 (35)	26 (36)	20 (34)	0.50
Direct oral anticoagulant	6 (5)	4(6)	2(3)	0.42

^aP < 0.05, statistically significant.

LVEF: Left ventricular ejection fraction.