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Table 4 Differences in mental component scores between subgroups at all time points

From: Quality of life in the five years after intensive care: a cohort study

Mental component score
Parameter Range % Pre-morbid 3 months 6 months 1 year 2.5 years 5 years
Age ≤ 64 years 184 (61) 44.2 (14.4) 49.2 (11.5) 50.2 (11.8) 50.7 (12.0) 53.7 (9.6) 52.7 (11.6)
  > 64 years 116 (39) 47.2 (12.6) 53.2 (10.7) 56.7 (8.6) 56.0 (8.4) 55.1 (8.6) 56.5 (11.6)
  P value   0.06   0.02   < 0.001   0.002   0.40   0.13  
APACHE II ≤ 18 158 (53) 46.5 (14.3) 50.9 (11.6) 52.1 (11.1) 51.7 (11.7) 53.8 (9.2) 53.5 (11.1)
  > 18 142 (47) 44.1 (13.1) 50.3 (11.2) 53.1 (11.3) 53.7 (10.4) 54.5 (9.4) 54.4 (12.6)
  P value   0.12   0.74   0.55   0.27   0.68   0.71  
LOS ≤ 2 days 162 (54) 45.9 (13.7) 51.2 (11.9) 53.1 (11.3) 51.2 (12.0) 53.8 (9.1) 54.9 (10.6)
  > 2 days 136 (46) 44.7 (13.9) 50.0 (10.6) 51.8 (11.1) 54.2 (9.8) 54.5 (9.5) 52.6 (13.0)
  P value   0.43   0.44   0.46   0.10   0.70   0.36  
Type of
Admission
Surgical 106 (35) 46.7 (12.5) 52.2 (11.2) 53.6 (10.5) 52.1 (10.7) 54.3 (7.2) 54.9 (10.6)
  Medical 118 (39) 43.1 (13.8) 49.5 (12.3) 51.6 (12.8) 54.1 (11.4) 54.1 (10.5) 53.8 (14.0)
  P value   0.04   0.17   0.32   0.35   0.94   0.70  
Long-term survival Survivor 197 (66) 47.9 (12.7) 53.1 (9.4) 53.5 (9.6) 53.2 (10.1) 54.9 (8.5) 53.9 (11.7)
  Non-survivor 103 (34) 44.0 (14.2) 48.1 (12.6) 51.2 (12.9) 51.1 (13.2) 50.8 (11.8) . .
  P value   0.016   0.002   0.196   0.338   0.117    
  1. Data presented as means and standard deviations. All subgroups are dichotomised around the median values for all intensive care unit (ICU) admissions. APACHE = acute physiology, age and chronic health evaluation; LOS = length of stay.