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Table 1 Baseline Demographics

From: Value of the platelet-to-lymphocyte ratio in the prediction of left ventricular thrombus in anterior ST-elevation myocardial infarction with left ventricular dysfunction

  Whole cohort(n = 217) LVT group(n = 46) No LVT group(n = 92) 95%CI P value
Baseline clinical characteristics
 Age (years) 61.01 ± 11.51 59.63 ± 11.75 61.01 ± 11.51 (0.964,1.030) 0.951
 Male sex, n (%) 173 (79.7) 36 (78.3) 173 (79.7) (0.424,2.359) 1.000
 Smoker, n (%) 121 (55.8) 26 (56.5) 121 (55.8) (0.353,1.497) 0.386
 HTN, n (%) 86 (39.6) 15 (32.6) 86 (39.6) (0.275,1.208) 0.142
 DM, n (%) 45 (20.7) 9 (19.6) 45 (20.7) (0.290,1.547) 0.588
 chest pain onset duration<12 h 123 (56.7) 17 (37) 123 (56.7) (0.260,1.110) 0.091
Procedural characteristics
 DTBT (min) (means ± SD) 102.87 ± 91.82 141.87 ± 105.06 102.87 ± 91.82 (1.001,1.008) 0.005
 Thrombectomy n (%) 47 (21.7) 8 (17.4) 47 (21.7) (0.305,1.881) 0.493
 Pre-PCI TIMI flowgrade
  0 172 (79.3) 33 (76.1) 172 (79.3) 0.155
  1 7 (3.2) 1 (2.15) 7 (3.2) 0.720
  2 8 (3.7) 1 (2.15) 8 (3.7) 1.000
  3 30 (18.4) 9 (19.6) 30 (18.4) 0.144
 post-PCI TIMI flowgrade =3
  0 0 0 0 _
  1 0 0 0 _
  2 10 (4.6) 1 (2.2) 10 (4.6) 1.000
  3 207 (95.4) 45 (97.8) 207 (95.4) 0.698
Blood examinations on admission
 WBC (× 109) 10.05 (8.22, 12.82) 10.7 (7.9, 13.6) 10.05 (8.22, 12.82) (1.034,1.236) 0.062
 MPV (fl) 9.6 (9.0, 10.5) 9.6 (9.1, 10.7) 9.6 (9.0, 10.5) (0.760,1.415) 0.748
 Platelets(×109) 197.5 (158.25, 251.75) 228 (164, 294) 197.5 (158.25, 251.75) (0.999,1.009) 0.316
 Neutrophil(×109) 7.40 (5.60, 10.25) 7.30 (5.45, 10.17) 7.40 (5.60, 10.25) (1.025,1.234) 0.059
 Lymphocyte(×109) 1.68 (1.25, 2.14) 1.41 (1.14, 2.25) 1.68 (1.25, 2.14) (0.304,0.871) 0.001
 Monocyte(×109) 0.63 (0.46, 0.86) 0.58 (0.38, 0.75) 0.63 (0.46, 0.86) (0.305,5.576) 0.430
 NLR 4.38 (2.76, 7.91) 4.37 (2.84, 8.23) 4.38 (2.76, 7.91) (1.098,1.444) 0.001
 PLR 114.57 (90.79, 157.42) 129.6 (98.9194.7) 114.57 (90.79, 157.42) (1.005,1.020) 0.001
 fibrinogen (mg/dl) 3.59 (3.03, 4.55) 4.1 (3.2, 5.6) 3.59 (3.03, 4.55) (0.972,1.547) 0.044
Echocardiography
 LVEDD (mm) 48.25 (44.5, 53.64) 51.2 (48.1, 56.4) 48.25 (44.5, 53.64) (1.012,1.128) 0.012
 LVEF, %, (means ± SD) 41.78 ± 6.72 39.84 ± 10.05 41.78 ± 6.72 (0.886,0.981) 0.138
 LV aneurysmn n (%) 19 (87.56) 15 (32.6) 19 (87.56) (5.585,347.162) 0.001
  1. The chest pain onset duration referred to the period of the occurrence of acute myocardial infarction to admission
  2. HTN Hypertension, DM diabetes mellitus, TIMI thrombolysis in myocardial infarction, DTBT Door-to-balloon time, WBC White blood cell count, MPV Mean platelet volume, NLR Neutrophil /lymphocyte ratio, PLR Platelet/lymphocyte ratio, LVEF left ventricular ejection fraction, LVEDD left ventricular end-diastolic dimension, LV aneurysmn, left ventricular aneurysmn
  3. P value represents the results of univariate analysis between LVT group and no LVT group