Table 1 Baseline characteristics of 1327 patients with CHF and CKD
Baseline characteristics | Overall (n = 1327) | Normal IVC (n = 1167) | Abnormal IVC (n = 160) | p value |
|---|---|---|---|---|
Demography | ||||
 Age | 72.30 (61.89, 80.73) | 72.67 (62.45, 81.21) | 67.36 (58.60, 77.25) |  < 0.001 |
 Male | 839 (63.2) | 731 (62.6) | 108 (67.5) | 0.001 |
 SBP | 135.00 (120.00, 151.00) | 136.00 (120.00, 152.00) | 130.00 (115.00, 149.00) | 0.281 |
 DBP | 73.00 (64.50, 83.00) | 73.00 (65.00, 84.00) | 74.00 (63.00, 83.00) | 0.001 |
 HR | 79.00 (70.00, 92.00) | 79.00 (70.00, 92.00) | 80.00 (69.00, 91.00) | 0.563 |
 BMI | 24.67 (22.16, 27.06) | 24.63 (22.10, 27.05) | 24.80 (22.64, 27.70) | 0.176 |
Laboratory tests | ||||
 NT-proBNP | 5416.00 (2,049.50, 14,595.00) | 4897.00 (1,899.00, 14,175.50) | 8220.00 (3,895.00, 20,160.50) |  < 0.001 |
 Hemoglobin | 119.00 (100.00, 136.00) | 120.00 (101.00, 136.00) | 116.00 (95.00, 136.50) | 0.154 |
 White blood cells | 6.85 (5.53, 8.61) | 6.90 (5.62, 8.61) | 6.41 (4.85, 8.61) | 0.02 |
 Total protein | 68.30 (64.12, 72.88) | 68.30 (64.20, 72.97) | 68.05 (62.18, 72.58) | 0.177 |
 Serum albumin | 38.20 (34.85, 41.10) | 38.30 (35.00, 41.20) | 37.65 (33.60, 40.18) | 0.026 |
 FBG | 5.56 (4.82, 7.21) | 5.59 (4.85, 7.32) | 5.36 (4.63, 6.58) | 0.015 |
 Serum creatine | 143.30 (118.60, 214.15) | 141.10 (117.65, 213.50) | 156.95 (124.47, 228.20) | 0.034 |
 eGFR | 41.48 (24.64, 52.46) | 41.84 (24.64, 52.71) | 39.47 (24.81, 50.61) | 0.184 |
 Uric acid | 455.75 (378.05, 560.28) | 445.15 (369.33, 543.78) | 565.90 (475.82, 650.45) |  < 0.001 |
 Urinary albumin | 20.00 (0.00, 75.00) | 20.00 (0.00, 100.00) | 20.00 (0.00, 70.00) | 0.453 |
Comorbidities | ||||
 MI | 566 (42.7) | 532 (45.6) | 34 (21.2) |  < 0.001 |
 Hypertension | 1064 (80.2) | 955 (81.8) | 109 (68.1) |  < 0.001 |
 DM | 710 (53.5) | 639 (54.8) | 71 (44.4) | 0.017 |
 Anemia | 801 (60.4) | 702 (60.2) | 99 (61.9) | 0.741 |
Treatment | ||||
 PCI | 313 (23.6) | 299 (25.6) | 14 (8.8) |  < 0.001 |
 CABG | 62 (4.7) | 57 (4.9) | 5 (3.1) | 0.43 |
 Heart valve replacement | 28 (2.1) | 14 (1.2) | 14 (8.8) |  < 0.001 |
 Heart pacemaker implantation | 93 (7.0) | 75 (6.4) | 18 (11.2) | 0.038 |
 Defibrillator | 9 (0.7) | 5 (0.4) | 4 (2.5) | 0.013 |
 Statin | 1017(76.6) | 930 (79.7) | 87 (54.4) |  < 0.001 |
 ACEI | 438 (33.0) | 377 (32.3) | 61 (38.1) | 0.168 |
 ARB | 429 (32.3) | 381 (32.6) | 48 (30.0) | 0.561 |
 Beta blocker | 1129 (85.1) | 1004 (86.0) | 125 (78.1) | 0.012 |
 Loop diuretic | 1167 (87.9) | 1012 (86.7) | 155 (96.9) |  < 0.001 |
 Potassium-sparing diuretic | 961 (72.4) | 829 (71.0) | 132 (82.5) | 0.003 |
 Warfarin | 166 (12.5) | 123 (10.5) | 43 (26.9) |  < 0.001 |