Research Article

Dynamic Changes in Red Cell Distribution Width Can Predict Major Adverse Cardiovascular Events after PCI in Patients with Unstable Angina Pectoris: A Retrospective Cohort Study

Table 1

(a) Comparison of general data among 3 groups

VariablesImproved RDW group ( = 80)Stable RDW group ( = 80)Worsened RDW group ( = 68) value

Gender/male46 (57.50)54 (67.50)40 (58.80)1.9600.375
Age (years)61.00 (9.00)60.50 (16.00)63.00 (9.00)3.330.180
Smoking32 (40.00)40 (50.00)26 (38.20)2.5230.283
Drinking28 (35.00)36 (45.00)18 (26.5)5.5300.043
Hypertension46 (57.50)50 (62.50)52 (76.50)6.1230.047
Diabetes18 (22.50)24 (30.00)14 (20.60)2.0400.361
Duration of DAPT70 (87.50)74 (92.50)64 (94.10)2.2610.323
ACEI40 (50.00)32 (40.00)34 (50.00)2.0870.352
ARB8 (10.30)16 (20.00)14 (20.60)3.6710.160
Β-blocker54 (67.50)50 (62.50)46 (67.60)0.5930.743
CCB26 (32.50)24 (30.00)20 (29.40)0.1930.908
Statin74 (92.50)75 (93.75)64 (94.12)0.9930.841
LVEF (%)55.71 ± 7.6254.93 ± 5.33 (19.50)56.36 ± 8.691.1370.566
SBP (mmHg)137.50 ± 12.26138.21 ± 12.19 (10.00)135.93 ± 11.821.3160.518
DBP (mmHg)79.89 ± 13.5381.00 ± 15.11 (19.50)78.93 ± 12.894.4980.105
Grace scores97.40 ± 14.6698.51 ± 16.7697.91 ± 15.974.1640.119

ACEI: angiotensin-converting enzyme inhibitors; ARB: angiotensin receptor blockers; CCB: calcium channel blocker; DAPT: dual antiplatelet drug therapy; DBP: diastolic blood pressure; LVEF: left ventricular ejection fraction; RDW: red cell distribution width; SBP: systolic blood pressure.
(b) Comparison of lab indexes among 3 groups

VariablesImproved RDW group ( = 80)Stable RDW group ( = 80)Worsened RDW group ( = 68) value

Hb (g/L)133.5 (18.5)150.0 (10.0)118.5 (8.0)173.5090.021
RBC (×1012/L)4.36 ± 0.414.35 ± 0.444.28 ± 0.500.6460.525
WBC (×109/L)5.95 (2.35)6.38 (3.01)5.73 (3.30)1.3540.508
PLT (×109/L)220.50 (71.25)207.00 (76.25)198.50 (89.00)9.2030.010
MCV (fl)92.00(6.00)91.25 (7.00)91.50 (7.90)4.1610.125
TC (mmol/L)4.69 ± 1.154.44 ± 1.024.54 ± 1.230.9930.372
TG (mmol/L)1.42 (1.05)1.20 (0.81)1.16 (0.84)4.3740.112
HDL-C (mmol/L)1.12 (0.38)1.16 (0.23)1.19 (0.43)2.8560.240
LDL-C (mmol/L)2.61 (1.30)2.47 (1.08)2.46(1.42)1.2010.549
ApoA (g/L)1.65 ± 0.261.48 ± 0.131.96 ± 0.394.3410.079
ApoB (g/L)0.91 (0.44)0.84 (0.37)0.86 (0.47)1.6170.446
FPG (mmol/L)5.48 (1.83)5.23 (0.98)5.27 (1.49)2.6080.271
BUN (mmol/L)5.13 (1.82)5.55 (1.84)4.85 (2.40)8.2410.016
SCr (umol/L)67.60 ± 11.3371.40 ± 15.6669.79 ± 14.841.4790.230
β2-MG (mg/L)2.29 (0.71)2.21 (0.69)2.30 (0.51)1.3240.511
Cys-c (mg/L)0.86 ± 0.170.84 ± 0.210.85 ± 0.160.1930.825
RDW113.70 ± 0.9112.67 ± 0.7812.62 ± 1.024.1650.611
RDW212.57 ± 0.6012.61 ± 0.7813.69 ± 1.213.5750.403

ApoA: apolipoprotein A; ApoB: apolipoprotein B; BUN: blood urea nitrogen; β2-MG: β2-microglobulin; Cys-c: cystatin C; FPG: fasting plasma glucose; Hb: hemoglobin; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; MCV: mean corpuscular volume; PLT: platelet; RBC: red blood cell; RDW: red blood cell distribution width; TC: total cholesterol; TG: triglycerides; WBC: white blood cell.