Research Article

Hyperuricemia is a Risk Factor for One-Year Overall Survival in Elderly Female Patients with Acute Coronary Syndrome

Table 4

Differences between women and men.

ParametersWomenMen
All (n = 273)sUA normal (n = 164)Hyperuricemia (n = 109)All (n = 438)sUA normal (n = 296)Hyperuricemia (n = 142)

Demographics and medical history
Age, years (median, IQR)78 (76–81)78 (76–80)78 (76–81)0.51078 (76–80)78 (76–80)78 (76–80)0.4550.381
Body mass index (median, IQR)22.7 (20.6–25.4)22.8 (20.6–25.1)22.5 (20.5–26.30.64423.1 (20.9–25.4)22.8 (20.9–25.5)23.7 (20.8–26.3)0.0650.427
Diabetes mellitus, n (%)96 (35.2)57 (34.8)39 (35.8)0.862116 (26.5)81 (27.4)35 (24.6)0.5460.014
Hypertension, n (%)217 (79.5)126 (76.8)91 (83.5)0.182319 (72.8)208 (70.3)111 (78.2)0.020.056
Atrial fibrillation, n (%)30 (11.2)16 (9.9)14 (13.0)0.44053 (12.3)27 (9.2)26 (18.7)0.0050.656
CKD ≥313 (4.8)3 (1.8)10 (9.2)0.00526 (5.9)14 (4.7)12 (8.5)0.1250.506
Stroke, n (%)32 (11.9)19 (11.8)13 (12.1)0.93171 (16.5)51 (17.5)20 (14.5)0.4380.098
Previous chest pain, n (%)181 (67.5)111 (68.9)70 (65.4)0.546286 (66.2)188 (64.2)98 (70.5)0.1930.716
Previous PCI, n (%)36 (13.5)24 (15.0)12 (11.2)0.37578 (18.1)58 (19.8)20 (14.4)0.1720.112
Previous CABG, n (%)3 (1.1)2 (1.2)1 (0.9)0.81510 (2.3)7 (2.4)3 (2.2)0.8820.255
Current smoking, n (%)14 (5.4)7 (4.4)7 (6.8)0.407239 (56.5)164 (57.3)75 (54.7)0.614<0.001

Clinical presentation
Hyperuricemia, n (%)109 (39.9)142 (32.4)0.042
Severe heart failure, n (%)155 (56.8)83 (50.6)72 (66.1)0.012201 (46.0)120 (40.7)81 (57.0)0.0010.005
STEMI, n (%)55 (20.5)38 (23.6)17 (15.9)0.126119 (27.9)77 (26.9)42 (30.0)0.5060.028
NSTE-ACS, n (%)213 (79.5)123 (76.4)90 (84.1)0.126307 (72.1)209 (73.1)98 (70.0)0.5060.028

Laboratory data
WBC, 109/L (mean ± SD)7.4 ± 3.37.3 ± 3.47.5 ± 3.10.6557.2 ± 3.27.1 ± 3.27.5 ± 3.20.2870.568
Hemoglobin, g/L (mean ± SD)110.4 ± 18.3112.4 ± 16.5107.3 ± 20.50.025121.8 ± 20.2123.1 ± 20.0118.9 ± 21.10.039<0.001
Platelets, 109/L (mean ± SD)202.9 ± 64.9208.5 ± 64.6194.7 ± 64.80.090174.3 ± 61.4117.9 ± 61.4166.7 ± 61.00.080<0.001
Fasting glucose, mmol/l (median, IQR)6.0 (4.9–7.6)6.1 (5.0–7.9)5.9 (4.9–6.9)0.2555.7 (4.8–7.1)5.7 (4.8–7.1)5.6 (4.8–6.7)0.4670.181
HbA1C, % (median, IQR)6.7 (6.0–7.4)6.5 (5.9–7.5)6.7 (6.0–7.0)0.8916.1 (5.6–6.5)6.2 (5.7–6.8)5.8 (5.5–6.2)0.0780.005
ALT, U/l (median, IQR)17.5 (11.7–28.3)17.6 (11.8–28.2)17.5 (11.5–29.6)0.93219.9 (13.6–33.5)20.2 (13.9–33.2)19.6 (13.3–34.8)0.7380.012
AST, U/l (median, IQR)22.6 (17.1–39.5)22.0 (16.3–47.0)22.8 (19.2–36.8)0.72822.6 (17.8–49.9)23.5 (17.8–55.5)21.5 (17.4–38.0)0.7420.579
Albumin, g/L (mean ± SD)35.1 ± 4.535.1 ± 4.235.1 ± 4.80.94235.1 ± 4.135.2 ± 3.934.9 ± 4.40.5160.902
Triglycerides, mmol/l (mean ± SD)1.6 ± 1.01.5 ± 0.91.7 ± 1.20.3231.6 ± 4.21.6 ± 5.11.5 ± 1.00.7400.960
Total cholesterol, mmol/l (mean ± SD)4.1 ± 1.04.1 ± 1.04.1 ± 1.10.9133.8 ± 0.93.7 ± 0.93.8 ± 1.00.400<0.001
HDL-cholesterol, mmol/l (mean ± SD)1.1 ± 0.31.1 ± 0.31.1 ± 0.30.2881.0 ± 0.31.1 ± 0.31.0 ± 0.20.0120.002
LDL-cholesterol, mmol/l (mean ± SD)2.4 ± 0.92.4 ± 0.92.5 ± 1.00.5752.2 ± 0.82.2 ± 0.82.3 ± 0.90.3730.002
Creatinine, μmol/l (mean ± SD)89.9 ± 54.176.0 ± 35.3111.1 ± 69.2<0.001124.4 ± 98.6108.0 ± 78.5158.3 ± 124.4<0.001<0.001
sUA, μmol/l (mean ± SD)349.2 ± 119.1274.4 ± 52.0462.0 ± 101.3<0.001381.4 ± 110.1322.6 ± 61.9504.1 ± 84.3<0.001<0.001
PT, s (mean ± SD)13.7 ± 4.313.1 ± 1.5147 ± 6.50.10013.5 ± 2.813.4 ± 2.913.6 ± 2.40.7150.674
APTT, s (mean ± SD)39.5 ± 14.440.1 ± 15.538.5 ± 12.80.66741.4 ± 22.243.5 ± 24.735.4 ± 11.10.1090.562
CK-Mb, U/l (mean ± SD)35.0 ± 71.437.6 ± 81.530.9 ± 52.30.47544.3 ± 119.044.4 ± 113.044.1 ± 131.10.9820.266
TnT, pg/ml (median, IQR)19.3 (9.7–603.3)16.9 (9.5–847.0)27.8 (9.0–603.3)0.81933.2 (12.3–1461.0)21.4 (11.6–1305.5)56.0 (13.6–3185.8)0.2900.141
hs-CRP, mg/l (median, IQR)4.3 (1.3–23.2)4.3 (1.2–25.5)5.3 (1.6–20.7)0.9675.1 (1.4–20.2)4.2 (1.2–20.8)7.5 (2.2–20.1)0.0760.849
NT-proBNP, pg/ml (median, IQR)935.9 (290.4–3082.5)718.0 (255.5–1999.1)1619.2 (433.1–5058.7)0.0011337.0 (394.9–3737.7)1037.0 (321.5–2917.2)2055.0 (618.1–5153.8)0.0010.067
EF, % (mean ± SD)53 ± 10.455 ± 9.251.6 ± 11.70.00953 ± 10.953 ± 1.0553 ± 11.90.7540.460

In-hospital management
Aspirin, n (%)227 (83.2)141 (86.0)86 (78.9)0.126376 (86.2)265 (89.9)111 (78.2)0.0010.262
Clopidogrel, n (%)234 (86.0)141 (86.0)93 (86.1)0.975391 (89.5)266 (90.1)125 (88.7)0.6990.168
ACEI/ARB, n (%)168 (61.5)105 (64.0)63 (57.8)0.300268 (61.2)189 (63.9)79 (55.6)0.0990.925
Beta blocker, n (%)206 (75.5)123 (75.0)83 (76.1)0.829306 (69.9)207 (69.9)99 (69.7)0.9640.106
Statin, n (%)265 (97.8)157 (96.9)108 (99.1)0.234422 (96.3)288 (97.3)134 (94.4)0.1260.283
Diuretic, n (%)128 (47.6)67 (41.6)61 (56.5)0.017210 (48.6)133 (45.4)77 (55.4)0.0520.791
PPI, n (%)227 (84.4)133 (82.6)94 (87.0)0.327340 (78.7)230 (78.5)110 (79.1)0.8800.063
IABP, n (%)7 (2.6)3 (1.9)4 (3.7)0.35318 (4.2)12 (4.1)6 (4.4)0.8900.255

In-hospital events
Heart failure, n (%)42 (15.7)22 (13.7)20 (18.9)0.25377 (17.9)46 (15.8)31 (22.3)0.1000.458
Bleeding, n (%)22 (8.2)11 (6.8)11 (10.4)0.30339 (9.1)23 (7.9)16 (11.6)0.2100.706
VT, n (%)23 (8.6)10 (6.2)13 (12.0)0.09436 (8.3)21 (7.2)15 (10.8)0.2030.920
Stroke, n (%)5 (1.9)4 (2.5)1 (0.9)0.3542 (0.5)2 (0.7)0 (0.0)0.3290.071
Death, n (%)4 (3.5)1 (1.4)3 (7.0)0.1198 (4.4)6 (5.0)2 (3.3)0.5870.693

One-year follow-up
Revascularization4 (1.6)1 (0.6)3 (3.2)0.1207 (1.9)5 (2.0)2 (1.7)0.8410.801
Readmission, n (%)96 (36.9)57 (35.8)39 (38.6)0.653159 (39.9)101 (37.1)58 (46.0)0.0920.436
Stroke, n (%)13 (5.2)7 (4.5)6 (6.4)0.51318 (4.8)17 (6.7)1 (0.8)0.0130.827
Bleeding, n (%)180 (69.2)109 (69.0)71 (69.6)0.916268 (67.0)185 (67.8)83 (65.4)0.6330.549
Death, n (%)40 (14.7)16 (9.8)24 (22.0)0.00595 (21.7)61 (20.6)34 (32.4)0.4280.020

sUA: serum uric acid; IQR: interquartile range; CKD: chronic kidney disease; PCI: percutaneous coronary intervention; CABG: coronary artery bypass graft; SBP: systolic blood pressure; DBP: diastolic blood pressure; STEMI: ST-elevated myocardial infarction; NSTE-ACS: non-ST-elevation acute coronary syndrome; WBC: white blood cells; HbA1c: glycated hemoglobin; ALT: alanine aminotransferase; AST: aspartate aminotransferase; HDL: high-density lipoprotein; LDL: low-density lipoprotein; PT: prothrombin time; APTT: activated prothrombin time; CK: creatine kinase; CK-Mb: creatine kinase Mb chain; TnT: troponin T; hs-CRP: high-sensitivity C-reactive protein; NR-proBNP: N-terminal prohormone of brain natriuretic peptide; EF: ejection fraction; ACEI: angiotensin-converting enzyme inhibitor; ARB: angiotensin receptor blocker; PPI: proton pump inhibitor; IABP: intra-aortic balloon pump; VT: ventricular tachycardia.