Delayed PCI 12 Hours after the Onset of Symptoms Is Associated with Improved Outcomes for Patients with ST-Segment Elevation Myocardial Infarction: A Real-World Study
Table 1
Clinical baseline characteristics and angiographic characteristics of included patients before and after PSM.
Characteristics
Before Matching
After Matching
Delayed PCI (n=594)
MT (n=478)
P value
Delayed PCI (n=333)
MT (n=333)
P vale
Age, yrs
56.63±11.15
60.79±14.28
<0.001
57.34±11.07
58.73±14.51
0.166
Male, n (%)
504 (84.8)
373 (78)
0.004
276 (82.9)
263 (79)
0.20
SBP (mmHg)
119.61±17.64
121.34±22.19
0.189
119.46±17.79
122.12±22.49
0.082
Diabetes, n (%)
149 (25.1)
110 (23)
0.431
78 (23.4)
90 (27)
0.284
Hypertension, n (%)
181 (30.5)
149 (31.2)
0.805
98 (29.4)
94 (28.2)
0.732
Hyperlipidemia, n (%)
142 (239)
110 (23)
0.732
71 (21.3)
82 (24.6)
0.311
Current smoker, n (%)
260 (43.9)
168 (35.1)
0.003
152 (45.6)
140 (42)
0.349
LDL-C (mmol/L)
2.48±0.89
2.44±0.91
0.472
2.54±0.93
2.42±0.92
0.093
TC (mmol/L)
3.84±1.11
3.86±1.12
0.803
3.88±1.13
3.81±1.14
0.466
Killip’s class
<0.001
0.819
1
17 (2.9)
6 (1.3)
7 (2.1)
6 (1.8)
2
508 (85.5)
309 (64.6)
258 (77.5)
256 (76.9)
3
55 (9.3)
100 (20.9)
55 (16.5)
53 (15.9)
4
14 (2.4)
63 (13.2)
13 (3.9)
18 (5.4)
IRA, n ()
NA
NA
Left main
0
NA
0
NA
LAD
385 (68.0)
NA
224 (67.3)
NA
LCX
51 (8.5)
NA
26 (7.8)
NA
RC
158 (26.6)
NA
83 (24.9)
NA
TIMI flow grade n ()
NA
NA
0
380 (64.0)
NA
212 (63.7)
NA
1
185 (31.1)
NA
108 (32.4)
NA
2
29 (4.9)
NA
13 (3.9)
NA
ACEI/ARB, n ()
307 (51.7)
266 (55.6)
0.316
180 (54.1)
191 (57.4)
0.521
DAP, n ()
524 (88.2)
416 (87)
0.557
292 (87.7)
300 (90.1)
0.324
Anticoagulation, n ()
282 (47.5)
210 (43.9)
0.277
163 (48.9)
143 (42.9)
0.292
β-Blocker
409 (68.9)
311 (65.1)
0.101
235 (70.6)
227 (68.2)
0.361
Calcium Blocker
123 (20.7)
79 (16.5)
0.082
64 (19.2)
54 (16.2)
0.310
Statins
458 (77.1)
365 (77.3)
0.670
250 (75.1)
258 (77.5)
0.499
Note: TC: total cholesterol; LDL-C: low density lipoprotein cholesterol; IRA: infarct-related artery; LAD: left anterior descending; LCX: left circumflex; RC: right coronary; DAP: double antiplatelet.
