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Table 1 Demographic data of study patients. Data are presented as numbers (percentages) or median (interquartile range). Statistical significance was tested between respondents (n = 288) and non-respondents of quality of life questionnaire (EQ-5D) at one year

From: One-year mortality, quality of life and predicted life-time cost-utility in critically ill patients with acute respiratory failure

  ARF patients (n = 958) One-year survivors (n = 619)  
   Respondents (n = 288) Non-respondents (n = 331) P value
Age, years 63 (51-74) 64 (53-74) 55 (41-66) < 0.001
Gender, male n (%) 637 (66.5%) 195 (67.7%) 220 (66.5%) 0.74
SAPS II, points 43 (31-55) 37 (27-49) 37 (27-48) 0.99
SOFA, points 8 (6-10) 7 (5-9) 7 (5-9) 0.81
TISS, points, average 34 (29-41) 34 (29-43) 33 (28-39) 0.04
TISS, points, total 151 (90-280) 146 (95-271) 145 (78-264) 0.18
Operative n (%) 375 (39.1%) 143 (49.7%) 136 (41.1%) 0.03
Emergency n (%) 821 (85.7%) 217 (75.3%) 289 (87.3%) < 0.001
Ventilatory support, days 2 (1-5) 2 (1-4) 2 (1-5) 0.81
ICU length of stay, days 3 (2-7) 3 (2-7) 3 (2-7) 0.29
Hospital length of stay, days 11 (6-21) 13 (8-23) 12 (7-23) 0.19
ALI/ARDS n (%) 68 (7.0%) 13 (4.5%) 20 (6.0%) 0.40
  1. ALI, acute lung injury; ARDS, adult respiratory distress syndrome; ARF, acute respiratory failure; SAPS II, Simplified Acute Physiology Score; SOFA, Sequential Organ Failure Assessment; TISS, Therapeutic Intervention Scoring 76.