Impact of Short-Term Heart Rate Variability in Patients with STEMI Treated by Delayed versus Immediate Stent in Primary Percutaneous Coronary Intervention: A Prospective Cohort Study
Table 1
Baseline clinical characteristics of participants with the two strategies.
Participants subjected to IS strategy ()
Participants subjected to DS strategy ()
value
Age (years)
0.134
Male sex
107 (86.29)
51 (94.44)
0.113
Height (cm)
0.391
Weight (kg)
0.856
Hypertension
0.151
Normal or high normal
81 (65.32)
36 (66.67)
Grade 1
18 (14.51)
7 (12.96)
Grade 2
6 (4.84)
7 (12.96)
Grade 3
20 (15.32)
4 (7.41)
Diabetes mellitus
14 (11.29)
3 (5.56)
0.231
MI history
4 (3.23)
3 (5.56)
0.462
CAD family history
4 (3.23)
4 (7.41)
0.216
Smoking
0.958
Never
28 (22.58)
12 (22.22)
Quit
12 (9.68)
6 (11.11)
Current or quitting less than 1 year
84 (67.74)
36 (56.25)
TG (mmol/L)
0.168
TC (mmol/L)
0.491
LDL-C (mmol/L)
0.655
HDL-C (mmol/L)
0.073
HGB (g/L)
0.339
Onset to balloon (min)
0.190
Door-to-balloon (min)
0.418
Culprit vessel
RCA
66 (53.22)
35 (64.81)
0.151
LAD
77 (62.09)
31 (57.40)
0.556
LCX
55 (40.32)
30 (55.56)
0.060
Number of diseased vessels
0.151
1
79 (63.70)
26 (54.55)
2
22 (17.74)
14 (25.92)
3
23 (18.54)
14 (25.92)
Killip class
0.922
I
108 (87.09)
46 (85.18)
II
8 (6.45)
5 (9.26)
III
5 (4.32)
2 (3.70)
IV
3 (2.42)
1 (1.85)
β-Blocker used
82 (66.12)
40 (74.07)
0.294
Data are shown as median (IQR) or (%). IS: immediate stenting; DS: delayed stenting; MI: myocardial infarction; CAD: coronary artery disease; TG: triglycerides; LDL-C: low-density lipoprotein cholesterol; HDL-C: high-density lipoprotein cholesterol; HGB: hemoglobin; RCA: right coronary artery; LAD: left anterior descending artery; LCX: left circumflex artery.
