Comparison of the feasibility and safety between distal transradial access and conventional transradial access in patients with acute chest pain: a single-center cohort study using propensity score matching

Table 2 Comparison of the emergency procedure characteristics between the matched groups

	cTRA group (n = 135)	dTRA group (n = 135)	χ2 (Z) (t)	P
Time from onset to visit [M (P₂₅, P₇₅)] (h)	4 (2, 6)	5 (3, 10)	-3.032	0.002**
Puncture time [M (P₂₅, P₇₅)] (min)	2 (1, 3)	2 (1, 3)	-0.451	0.652
Cannulation success rate [n (%)]	128 (94.81%)	118 (87.41)	4.573	0.032*
Total procedure time [M (P₂₅, P₇₅)] (min)	40 (30, 55)	45 (30, 60)	-1.089	0.276
PCI [n (%)]	119 ( 88.15%)	107 (79.26%)	3.910	0.048*
ACS [n (%)]	128 (94.81%)	127 (92.03%)	0.071	0.790
STEMI [n (%)]	90 (66.67%)	84 (62.22%)	0.582	0.446
NSTEMI [n (%)]	37 (27.41%)	37 (27.41%)	0.000	1.000
UA [n(%)]	1 (0.74%)	6 (4.44%)	3.666	0.056
Culprit vessel
LM [n (%)]	1 (0.74%)	2 (1.48%)	0.337	0.562
LAD [n (%)]	70 (51.85%)	58 (42.96%)	2.139	0.144
LCX [n (%)]	17 (12.59)	19 (14.07%)	0.128	0.720
RCA [n (%)]	39 (28.89)	43 (31.85%)	0.280	0.597
Number of stents[M (P₂₅, P₇₅)]	1 (1, 1)	1 (0, 2)	-0.080	0.936
Contrast dosage[M (P₂₅, P₇₅)]	120 (100, 150)	110 (70, 130)	-1.351	0.177
Cardiac mortality [n (%)]	3 (2.22%)	5 (3.70%)	-	0.722

cTRA conventional transradial access, dTRA distal transradial access, PCI percutaneous coronary intervention, ACS acute coronary syndrome, STEMI ST-elevation myocardial infarction, NSTEMI non-ST-elevation myocardial infarction, UA unstable angina, LM left main artery, LAD left anterior descending artery, LCX left circumflex artery, RCA right coronary artery
Values are presented as the mean ± SD, median (interquartile range), or number (%). A p value < 0.05 was considered statistically significant. *p values < 0.05, **p values < 0.01

ISSN: 1471-2318