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Table 3 MCS and PCS relationship to discriminators of age, length of stay and illness severity.

From: Quality of life and persisting symptoms in intensive care unit survivors: implications for care after discharge

  Discriminator Age (years) Hospital length of stay
(days)
ICU length of stay
(days)
APACHE II
MCS Mean below median value 39.32* (14.3) 44.99 (14.7) 42.12 (15.2) 44.04 (16.2)
  Mean above median value 46.78 (14.7) 41.28 (15.1) 44.07 (14.8) 42.21 (13.7)
PCS Mean below median value 35.04 (11.7) 39.31* (12.8) 36.08 (11.9) 35.85 (12.1)
  Mean above median value 36.36 (11.5) 32.22 (9.0) 35.35 (11.4) 35.60 (11.1)
  1. Relationship defined by the median of each variable in the responder patients (see Table 2). Standard deviations given in brackets. Patients above median age show improved SF-36 mental component scores. Patients above hospital median LOS have lower physical component scores. (* indicates statistical significance 2-tailed Student's t-test < 0.05. See text)