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Table 4 ICU patients with normal SF-36 scores compared with patients with SF-36 score 2 SD below the reference group lower level in at least one of the SF-36 eight dimensions for the total group and divided in those with low level and with or without comorbidity

From: Health-related quality of life scores after intensive care are almost equal to those of the normal population: a multicenter observational study

  Patients with normal level Patients with low level   Without comorbidity Patients with low level   
  (n = 553) (n = 227) P value (n = 61) one disease (n = 81) >1 disease (n = 85) P value
Age (years) 53 (16.1) 52 (15.2) 0.468 49 (16.1) 51 (14.8) 54 (14.6)  
No (%) male 284 (51.4) 160 (70.5) <0.001 42 (69) 59 (73) 22 (27) 0.843
No (%) female) 269 (48.6) 67 (29.5)   19 (31) 59 (69) 26 (31)  
APACHE II score 14.9 (7.6) 14.8 (7.6) 0.939 12.6 (6.2) 14.6 (7.2) 16.6 (8.5)  
Stay in ICU (hours) 125.2 (173.7) 141.5 (189.9) 0.246 117.8 (111.7) 147.5 (175.3) 152.8 (241.3)  
Stay in hospital (days) 14.3 (19.5) 15.8 (22.1) 0.363 13.9 (16.6) 15.7 (20.4) 17.3 (26.6)  
Time on ventilator (hours) 65.3 (156.7) 69.8 (163.5) 0.722 61.7 (128.2) 58.5 (105.0) 86.3 (222.1)  
No (%) deaths during the study 38 (6.9) 38 (16.7) <0.001 6 (9.8) 10 (12.3) 22 (25.9) 0.016
  1. Data are expressed as mean (SD) unless otherwise stated.
  2. All differences in the table between the patients with low level without comorbidity compared with those with low level and one disease are not significant.
  3. All differences in the table between the patients with low level without comorbidity compared with those with low level and more than one disease are not significant, except for age (P = 0.035), and for APACHE (P = 0.002).
  4. All differences in the table between the patients with low level and one comorbidity compared with those with low level and more than one disease are not significant.