Skip to main content

Table 1 Baseline characteristics of the study population

From: The influence of body composition on renal function in patients with coronary artery disease and its prognostic significance: a retrospective cohort study

Characteristics eGFR p value
Total <60 mL/min ≥60 mL/min
No. of patients n = 2989 n = 506 n = 2483  
Age, years 64.5 ± 10.6 70.4 ± 8.0 63.3 ± 10.7 <0.001
Gender, female, n (%) 614 (20.5) 162 (32.0) 452 (18.2) <0.001
Body composition parameters
 BMI, kg/m2 24.2 ± 2.9 24.1 ± 2.8 24.2 ± 2.9 0.477
 BF, % 28.1 ± 6.2 30.2 ± 6.6 27.7 ± 6.0 <0.001
 LMI, kg/m2 17.3 ± 1.8 16.7 ± 1.9 17.4 ± 1.8 <0.001
Medical history
 Current smoking, n (%) 902 (30.2) 151 (29.8) 751 (30.2) 0.857
 Pre-hypertension, n (%) 1628 (54.5) 352 (69.6) 1276 (51.4) <0.001
 Pre-diabetes mellitus, n (%) 653 (21.8) 154 (30.4) 499 (20.1) <0.001
At admission
 Systolic blood pressure, mm Hg 130.3 ± 21.2 132.0 ± 24.1 129.9 ± 20.6 0.059
 Diastolic blood pressure, mm Hg 76.3 ± 12.5 74.2 ± 13.4 76.7 ± 12.3 <0.001
 Heart rate, beats/min 74.1 ± 13.9 76.3 ± 16.1 73.6 ± 13.4 0.001
 Killip classification ≥ II, n (%) 344 (11.5) 93 (18.4) 251 (10.1) <0.001
Laboratory values
 eGFR, ml/min/1.73 m2 79.5 ± 22.9 45.9 ± 12.4 86.3 ± 18.0 <0.001
 Blood glucose, mmol/L 6.9 ± 3.1 7.7 ± 4.1 6.8 ± 2.8 <0.001
 Total cholesterol, mmol/L 4.1 ± 1.1 4.0 ± 1.1 4.1 ± 1.1 0.222
Diagnosis
 ACS, n (%) 2163 (72.4) 382 (75.5) 1781 (71.7) 0.084
 UA, n (%) 1533 (51.3) 257 (50.8) 1276 (51.4) 0.806
Severity of CAD
 Left main artery, n (%) 282 (9.4) 54 (10.7) 228 (9.2) 0.296
 Three vessel diseases, n (%) 758 (25.4) 176 (34.8) 582 (23.4) <0.001
Discharge medication
 Aspirin, n (%) 2760 (92.3) 432 (85.4) 2328 (93.8) <0.001
 Clopidogrel, n (%) 2670 (89.3) 428 (84.6) 2242 (90.3) <0.001
 Statin, n (%) 2678 (89.6) 432 (85.4) 2246 (90.5) 0.001
 ACE inhibitors or ARBs, n (%) 1702 (56.9) 290 (57.3) 1412 (56.9) 0.854
 Beta-receptor blockers, n (%) 1981 (66.3) 301 (59.5) 1680 (67.7) <0.001
  1. Data are expressed as mean ± SD or counts and percentages, as appropriate
  2. BMI body mass index; BF body fat; LMI lean mass index; eGFR estimated glomerular filtration rate; ACS acute coronary syndrome; UA unstable angina; CAD coronary artery disease; ACE angiotensin-converting enzyme; ARBs angiotensin-receptor blockers