Table 1.
Baseline demographic characteristics of 82 study patients at admission to ICU
| Characteristics | Data |
|---|---|
| Age, yr | 67.0 (63.0–74.5) |
| Female sex | 36 (44) |
| Medical history | |
| Malignant disease | 5 (6) |
| Chronic renal failure | 7 (8) |
| Heart failure | 11 (13) |
| Chronic respiratory failure | 7 (8) |
| Neurological failure | 1 (1) |
| Diabetes | 5 (6) |
| Malnutrition | 2 (2) |
| None | 52 (63) |
| Performance statusa | |
| 0: Normal activity | 37 (45) |
| 1: Symptomatic but completely ambulatory | 41 (50) |
| 2: Less than 50 % of daytime in bed | 4 (5) |
| 3: More than 50 % of daytime in bed | 0 (0) |
| 4: Totally confined to bed or chair | 0 (0) |
| Small-vessel vasculitis diseases | |
| Granulomatosis with polyangiitis | 44 (54) |
| Microscopic polyangiitis | 20 (24) |
| Eosinophilic granulomatosis with polyangiitis | 5 (6) |
| Anti–glomerular basement membrane antibody disease | 13 (16) |
| Disease status | |
| Newly or recently diagnosed | 77 (94) |
| Relapsing disease | 5 (6) |
| Patient receiving chronic immunosuppressive therapyb | 4 (5) |
| Cause of admission | |
| Respiratory failure | 28 (34) |
| Acute renal failure | 24 (29) |
| Pulmonary-renal failure | 27 (33) |
| Septic shock | 1 (1) |
| Othersc | 3 (4) |
| Disease and severity assessment scores at admission | |
| Simplified Acute Physiology Score II | 37.5 (28.0–46.5) |
| Sequential Organ Failure Assessment score | 5.0 (4.0–8.0) |
| Birmingham Vasculitis Activity Score | 16.0 (12.0–20.0) |
| Revised Five-Factor Score | 2.0 (1.0–2.0) |
Data are presented as number (%) or median (interquartile range)
aMissing data: 3
bMissing data: 1
cTwo patients with encephalitis and one with myocarditis