Characteristics | Before Matching | After Matching | ||||
---|---|---|---|---|---|---|
All HD (n = 497) | All PD (n = 190) | P | Matched HD (n = 125) | Matched PD (n = 125) | P | |
Demographic data | ||||||
Female (n) | 188 (37.83%) | 78 (41.05%) | 0.44 | 49 (39.2%) | 52 (41.6%) | 0.70 |
Age at dialysis initiation (years) | 56.2 ± 16.0 | 47.6 ± 13.5 | <0.01 | 50.0 ± 15.5 | 49.6 ± 14.0 | 0.82 |
Duration of follow up (months) | 54.6 (36.7, 81.1) | 56.78 (39.8, 76.7) | 0.83 | 54.4 (38.3, 90.8) | 56.6 (39.9, 75.1) | 0.77 |
Kidney primary disease | ||||||
Diabetic nephropathy (n) | 114 (22.94%) | 22 (11.58%) | 0.05 | 14 (11.2%) | 17 (13.6%) | 0.57 |
Glomerulus nephritis (n) | 188 (37.83%) | 53 (27.89%) | 0.94 | 42 (33.6%) | 40 (32.0%) | 0.79 |
Polycystic kidney (n) | 14 (2.82%) | 4 (2.11%) | 0.99 | 3 (2.4%) | 4 (3.2%) | 1.00 |
Obstructive nephropathy (n) | 29 (5.83%) | 19 (10.00%) | <0.01 | 12 (9.6%) | 10 (8.0%) | 0.66 |
Other or unknown (n) | 152 (30.58%) | 92 (48.42%) | <0.01 | 54 (43.2%) | 54 (43.2%) | 1.00 |
Comorbidities | ||||||
Charlson Comorbidities Index (CCI) | 5.4 ± 2.1 | 4.1 ± 1.7 | <0.01 | 4.6 ± 2.0 | 4.4 ± 1.9 | 0.40 |
Diabetes (n) | 171 (34.41%) | 38 (20.00%) | <0.01 | 31 (24.8%) | 29 (23.2%) | 0.77 |
Cardiovascular disease (n) | 144 (28.97%) | 45 (23.68%) | 0.16 | 33 (26.4%) | 31 (24.8%) | 0.77 |
Congestive heart failure (n) | 104 (20.93%) | 10 (5.26%) | <0.01 | 6 (4.8%) | 9 (7.2%) | 0.42 |
Cerebrovascular disease (n) | 104 (20.93%) | 12 (6.32%) | <0.01 | 17 (13.6%) | 12 (9.6%) | 0.32 |
Chronic pulmonary disease (n) | 50 (10.06%) | 36 (18.95%) | <0.01 | 22 (17.6%) | 19 (15.2%) | 0.61 |
Laboratory tests | ||||||
Serum Urea (mmol/L) | 28.3 ± 8.3 | 22.7 ± 9.1 | <0.01 | 24.9 ± 6.5 | 25.4 ± 9.2 | 0.62 |
Serum creatinine (umol/L) | 977 (798, 1227) | 972 (779, 1165) | 0.56 | 947 (787, 1158) | 973 (818, 1169) | 0.55 |
Triglyceride (mmol/L) | 1.5 (1.0, 2.1) | 1.5 (1.1, 2.2) | 0.67 | 1.6 (1.1, 2.6) | 1.5 (1.1, 2.3) | 0.44 |
Cholesterol (mmol/L) | 4.4 ± 1.3 | 5.2 ± 1.3 | <0.01 | 4.9 ± 1.3 | 5.0 ± 1.2 | 0.77 |
Plasma albumin (g/L) | 37.3 ± 4.1 | 35.8 ± 5.9 | <0.01 | 37.1 ± 4.4 | 36.7 ± 4.5 | 0.52 |
Hemoglobin (g/L) | 97.7 ± 22.0 | 96.6 ± 23.7 | 0.28 | 96.4 ± 21.3 | 97.0 ± 24.6 | 0.85 |