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
Variables
Improved RDW group ( = 80)
Stable RDW group ( = 80)
Worsened RDW group ( = 68)
value
Gender/male
46 (57.50)
54 (67.50)
40 (58.80)
1.960
0.375
Age (years)
61.00 (9.00)
60.50 (16.00)
63.00 (9.00)
3.33
0.180
Smoking
32 (40.00)
40 (50.00)
26 (38.20)
2.523
0.283
Drinking
28 (35.00)
36 (45.00)
18 (26.5)
5.530
0.043
Hypertension
46 (57.50)
50 (62.50)
52 (76.50)
6.123
0.047
Diabetes
18 (22.50)
24 (30.00)
14 (20.60)
2.040
0.361
Duration of DAPT
70 (87.50)
74 (92.50)
64 (94.10)
2.261
0.323
ACEI
40 (50.00)
32 (40.00)
34 (50.00)
2.087
0.352
ARB
8 (10.30)
16 (20.00)
14 (20.60)
3.671
0.160
Β-blocker
54 (67.50)
50 (62.50)
46 (67.60)
0.593
0.743
CCB
26 (32.50)
24 (30.00)
20 (29.40)
0.193
0.908
Statin
74 (92.50)
75 (93.75)
64 (94.12)
0.993
0.841
LVEF (%)
55.71 ± 7.62
54.93 ± 5.33 (19.50)
56.36 ± 8.69
1.137
0.566
SBP (mmHg)
137.50 ± 12.26
138.21 ± 12.19 (10.00)
135.93 ± 11.82
1.316
0.518
DBP (mmHg)
79.89 ± 13.53
81.00 ± 15.11 (19.50)
78.93 ± 12.89
4.498
0.105
Grace scores
97.40 ± 14.66
98.51 ± 16.76
97.91 ± 15.97
4.164
0.119
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
Variables
Improved 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)
173.509
0.021
RBC (×1012/L)
4.36 ± 0.41
4.35 ± 0.44
4.28 ± 0.50
0.646
0.525
WBC (×109/L)
5.95 (2.35)
6.38 (3.01)
5.73 (3.30)
1.354
0.508
PLT (×109/L)
220.50 (71.25)
207.00 (76.25)
198.50 (89.00)
9.203
0.010
MCV (fl)
92.00(6.00)
91.25 (7.00)
91.50 (7.90)
4.161
0.125
TC (mmol/L)
4.69 ± 1.15
4.44 ± 1.02
4.54 ± 1.23
0.993
0.372
TG (mmol/L)
1.42 (1.05)
1.20 (0.81)
1.16 (0.84)
4.374
0.112
HDL-C (mmol/L)
1.12 (0.38)
1.16 (0.23)
1.19 (0.43)
2.856
0.240
LDL-C (mmol/L)
2.61 (1.30)
2.47 (1.08)
2.46(1.42)
1.201
0.549
ApoA (g/L)
1.65 ± 0.26
1.48 ± 0.13
1.96 ± 0.39
4.341
0.079
ApoB (g/L)
0.91 (0.44)
0.84 (0.37)
0.86 (0.47)
1.617
0.446
FPG (mmol/L)
5.48 (1.83)
5.23 (0.98)
5.27 (1.49)
2.608
0.271
BUN (mmol/L)
5.13 (1.82)
5.55 (1.84)
4.85 (2.40)
8.241
0.016
SCr (umol/L)
67.60 ± 11.33
71.40 ± 15.66
69.79 ± 14.84
1.479
0.230
β2-MG (mg/L)
2.29 (0.71)
2.21 (0.69)
2.30 (0.51)
1.324
0.511
Cys-c (mg/L)
0.86 ± 0.17
0.84 ± 0.21
0.85 ± 0.16
0.193
0.825
RDW1
13.70 ± 0.91
12.67 ± 0.78
12.62 ± 1.02
4.165
0.611
RDW2
12.57 ± 0.60
12.61 ± 0.78
13.69 ± 1.21
3.575
0.403
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.