Research Article
Prognosis and Histological Classification in Elderly Patients with ANCA-Glomerulonephritis: A Registry-Based Cohort Study
Table 4
Baseline characteristics stratified by age, 70–74.9 years and ≥75 years, at time of inclusion.
| | Characteristic | Age 70–74.9 years, = 34 | Age ≥75 years, = 47 | value |
| | Female (%) | 18 (53) | 27 (57) | 0.68 | | Age, years (SD) | 72 (1) | 80 (4) | <0.001 | | P-/MPO-ANCA (%) | 20 (59) | 27 (57) | 0.90 | | eGFR, ml/min/1.73 m2 (SD) | 30 (25) | 25 (22) | 0.15 | | Serum albumin, gram/liter (SD) | 31 (7) | 30 (5) | 0.46 | | Systolic blood pressure (SD) | 145 (22) | 148 (24) | 0.52 | | Diastolic blood pressure (SD) | 81 (11) | 78 (13) | 0.43 | | Proteinuria, gram/24 hours (SD) | 1.5 (1.2) | 1.3 (1.5) | 0.06 | | Percentage of normal glomeruli (SD) | 44 (26) | 34 (29) | 0.13 | | Focal histology (%) | 17 (50) | 15 (32) | 0.10 | | Mixed histology (%) | 8 (24) | 14 (30) | 0.53 | | Crescentic histology (%) | 6 (18) | 12 (26) | 0.40 | | Sclerotic histology (%) | 3 (9) | 6 (13) | 0.58 |
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SD, standard deviation; eGFR, estimated glomerular filtration rate.
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