Comparison of the CAMI-NSTEMI and GRACE Risk Model for Predicting In-Hospital Mortality in Chinese Non-ST-Segment Elevation Myocardial Infarction Patients
Table 1
Baseline characteristics of patients who died vs. survived.
Characteristic
Total (n = 2587)
In-hospital dead (n = 126)
In-hospital survival (n = 2461)
value
Age
61.91 ± 10.97
72.84 ± 10.69
61.35 ± 9.74
<0.0001
Male
1290 (50)
84 (67)
1206 (49)
0.0001
BMI (kg/m2)
21.24 ± 3.91
21.14 ± 3.23
23.25 ± 3.74
<0.0001
Diabetes mellitus
540 (21)
48 (38)
492 (20)
<0.0001
Hypertension
1462 (57)
84 (67)
1378 (56)
0.0194
Hyperlipidemia
587 (23)
21 (17)
566 (23)
0.1146
Previous revascularization
PCI
185 (7)
3 (3)
182 (7)
0.0628
CABG
45 (1.7)
1 (1)
44 (1.8)
0.5846
Previous MI
325 (12)
30 (24)
295 (12)
0.0027
Smoking status
<0.0001
Current smoker
855 (33)
18 (14)
837 (34)
Previous smoker
393 (15)
24 (19)
369 (15)
Nonsmoker
1339 (52)
84 (67)
1255 (51)
HR (beats/min)
78.94 ± 29.47
90.01 ± 27.23
78.37 ± 21.14
<0.0001
SBP (mmHg)
127.70 ± 34.93
109.24 ± 33.73
128.65 ± 22.19
<0.0001
Cr (μmol/L)
85.67 ± 98.64
144.64 ± 93.17
82.65 ± 63.38
<0.0001
WBC (109/L)
8.33 ± 8.07
16.45 ± 7.66
7.91 ± 4.25
<0.0001
Troponin T (ug/l)
0.26 ± 2.24
1.47 ± 4.28
0.20 ± 1.37
<0.0001
Cardiac arrest
58 (2)
9 (7)
49 (2)
0.0007
Killip class
<0.0001
I
1598 (62)
23 (18)
1575 (64)
II
463 (18)
20 (16)
443 (18)
III
329 (13)
34 (27)
295 (12)
IV
197 (7)
49 (39)
148 (6)
ST-segment depression
1315 (51)
84 (67)
1231 (50)
0.0003
Values are presented as mean ± SD or n (%). BMI: body mass index; CABG: coronary artery bypass grafting; PCI: percutaneous coronary intervention; MI: myocardial infarction; HR: heart rate; SBP: systolic blood pressure; Cr: creatinine; WBC: white blood cell count.
