Research Article

Prognostic Value of Serum Total Bilirubin after Percutaneous Coronary Intervention in Patients with Acute Coronary Syndrome

Table 1

Demographic, clinical, and laboratory characteristics according to STB.

VariableGroup AGroup BGroup CP-value
(N= 923)(N= 924)(N= 923)

Age, year60 ± 11.4760 ± 11.3260 ± 11.480.514
Men, n (%)645 (69.88 %)638 (69.05 %)652 (70.64 %)0.757
BMI, kg/m20.323
 Lower than normal, n (%)315 (38.60 %)318 (41.68 %)283 (36.71 %)
 Normal, n (%)434 (53.19 %)386 (50.59 %)430 (55.77 %)
 Higher than normal, n (%)67 (8.21 %)59 (7.73%)58 (7.52 %)
Clinical variables
 Hypertension, n (%)585 (63.38 %)561 (60.71 %)551 (59.70 %)0.245
 Diabetes, n (%)177 (19.22 %)126 (13.76 %)144 (15.67 %)0.006
 Smoking, n (%)418 (46.24 %)446 (49.06 %)433 (47.53 %)0.483
 Hyperlipidemia, n (%)322 (34.92 %)302 (32.68 %)305 (33.08 %)0.554
 Renal insufficiency, n (%)508 (55.52%)448 (48.85%)491 (53.60%)0.013
 LVEF, n (%)50. 89 ± 11.1350. 88 ± 11.2050.75 ± 10.920.954
Laboratory values
 Troponin, ng/mL0.40(0.03, 3.6)1.20(0.31,4.70)0.98 (0.03,4.60)0.024
 Triglycerides, mmol/l1.78 ± 1.301.75 ± 1.201.70 ± 1.090.290
 LDL, mmol/l2.68 ± 0.722.75 ± 0.802.67 ± 0.750.067
 HDL, mmol/l1.19 ± 0.331.20 ± 0.321.20 ± 0.310.723
 TC, mmol/l4.65 ± 1.014. 71 ± 1.044.61 ± 1.000.094
 HBA1C, n (%)6.34 ± 1.915.89 ± 1.875.87 ± 1.790.002
 Hemoglobin, g/L136.34 ± 16.96137.84 ± 16.70137.82 ± 16.680.091
 Platelet, n/mm3230.51 ± 62.02226.03 ± 62.09226.23 ± 64.240.223
 STB, μmol/l6.73 ± 2.0012.64 ± 1.6117.76 ± 1.41<.001
 SDB, μmol/l3.52 ± 1.564.15 ± 1.184.53 ± 1.61<.001
 AST, u/L28 (19, 35)29 (19, 37)29 (21, 37)0.052
 ALT, u/L30 (19, 40)32 (21, 43)32 (20, 43)0.007
Previous medications
 ACEI/ARB, n (%)296 (32.22%)286 (30.25%)277 (30.01%)0.633
β-blocker, n (%)249 (26.98%)233 (25.22%)241 (26.11%)0.690
 Aspirin, n (%)283 (30.66%)432 (46.75%)417 (45.18%)<.001
 Statins, n (%)322 (34.89%)453 (49.03%)435 (47.13%)<.001

LVEF: left ventricular ejection fraction; LDL: low-density lipoprotein; HDL: high-density lipoprotein; TC: total cholesterol; STB: serum total bilirubin; SDP: serum direct bilirubin; AST: aspartate aminotransferase; ALT: alanine aminotransferase; ACEI: angiotensin-converting enzyme inhibitor; and ARB: angiotensin II receptor blockade.