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Table 1 Characteristics of the study cohort

From: Comparison of the prognosis for different onset stage of cardiogenic shock secondary to ST-segment elevation myocardial infarction

 Non-CS (n = 562)CS on admission (n = 32)Developed CS (n = 81)p-value
Age (years), mean ± SD64 ± 12.766 ± 11.764 ± 12.70.593
Male sex, n (%)444 (79)25 (78)64 (79)0.993
Hypertension, n (%)359 (64)16 (50)44 (54)0.089
Diabetes, n (%)142 (25)14 (44)13 (16)0.009#, &&
Smoking, n (%)315 (56)17 (53)46 (57)0.938
Prior stroke, n (%)76 (14)7 (22)10 (12)0.383
Hyperlipidaemia, n (%)44 (8)5 (16)5 (6)0.233
Multivessel lesions, n (%)140 (25)13 (41)32 (40)0.005#, **
Known kidney dysfunction, n (%)67 (12)8 (25)12 (15)0.086
Prior MI, n (%)15 (3)3 (9)2 (2)0.09
Pre-procedural SBP (mmHg), mean ± SD125 ± 18.980 ± 6.6112 ± 20.6< 0.001###, ***, &&&
Pre-procedural HR (bpm), mean ± SD79 ± 14.7114 ± 18.587 ± 16.5< 0.001###, ***, &&&
Shock index, mean ± SD0.65 ± 0.160.96 ± 0.220.81 ± 0.25< 0.001###, ***, &&&
LVEF(%), mean ± SD45 ± 5.644.6.445 ± 6.60.319
Creatinine (mmol/L), mean ± SD70(24)76 (39)71 (24)0.409
TG (mmol/L), mean ± SD1.66 ± 1.091.39 + ±0.731.61 ± 0.880.377
TCh (mmol/L), mean ± SD4.29 ± 1.024.27 ± 1.194.27 ± 0.970.985
LDL-C (mmol/L), mean ± SD2.38 ± 0.742.46 ± 0.842.41 ± 0.700.792
HDL-C (mmol/L), mean ± SD1.00 ± 0.381.00 ± 0.280.95 ± 0.340.525
Symptom-wire interval (min),median (IQR)240 (328)168(202)237 (242)0.067
IABP utility, n (%)15 (3)8 (25)21 (26)< 0.001###, ***
Anterior MI, n (%)275 (49)10 (31)29 (36)0.018#,*
Killips classification< 0.001###,*,&&&
 I, n (%)463 (82)062 (77) 
 II, n (%)88 (16)013 (16) 
 III, n (%)12 (2)06 (7) 
 V, n (%)032 (100)0 
Post-procedure TIMI flow0.079
 3, n (%)557 (99)31 (97)78 (96)
 2, n (%)4 (1)0 (0)3 (4)
 1, n (%)1 (0)1 (3)0 (0)
IRA< 0.001##, *
 LM/LM-LAD, n (%)286 (51)10 (31)29 (36)
 LCX/OM, n (%)90 (16)2 (6)11 (13)
 RCA/PDA/PL, n (%)186 (33)20 (63)41 (51)
Medicine
 β blocker, n (%)483 (86)21 (67)63 (78)0.177
 ACEI/ARB, n (%)427 (76)21 (67)54 (67)0.517
 Aldactone, n (%)90 (16)11 (33)15 (18)0.427
  1. SBP Stytolic blood pressure, HR Heart rate, bpm beats per minute, SI Shock index, LVEF Left ventricular ejection fraction, TG Triglyceride, LDL-C Low density lipoprotein cholesterol, HDL-C High density lipoprotein cholesterol, TCh Total cholesterol, IABP Intra-aortic balloon pump;MI: myocardial infarction, TIMI Thrombolysis in myocardial infarction, IRA Infarct-related artery, LM Left main artery, LAD Left anterior descending branch, LCX Left circumflex branch, OM Obtuse marginal branch, RCA Right coronary artery, PDA Posterior descending artery, PL Posterior branch of left ventricle, ACEI Angitensin conveting enzyme inhibitor, ARB Angiotensin receptor blocker
  2. # P < 0.05, ##P < 0.01, ### P < 0.001: Non-CS group vs CS on admission group
  3. * P < 0.05,**P < 0.01,*** P < 0.001: Non-CS group vs Developed CS group
  4. & P < 0.05,&&P < 0.01, &&& P < 0.001: CS on admission group vs Developed CS group