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Table 2 Floor and ceiling effects

From: Functional outcomes in ICU – what should we be using? - an observational study

Test

Floor effect n/total n assessed (%)

Ceiling effect n/total n assessed (%)

Range of test scores at each time point

PFIT-s on awakening

6/66 (9.1%)

1/66 (1.5%)

0 to 10 out of 10

PFIT-s at ICU discharge

1/66 (1.5%)

7/66 (10.6%)

0 to 10 out of 10

FSS-ICU on awakening

2/66 (3.0%)

0/66 (0%)

0 to 33 out of 35

FSS-ICU at ICU discharge

0/66 (0%)

2/66 (3.0%)

2 to 35 out of 35

IMS on awakening

11/66 (16.7%)

0/66 (0%)

0 to 8 out of 10

IMS at ICU discharge

0/64 (0%)

3/64 (4.7%)

1 to 10 out of 10

SPPB on awakening

18/23 (82.6%)

0/23 (0%)

0 to 8 out of 12

SPPB at ICU discharge

13/23 (56.5%)

0/23 (0%)

0 to 11 out of 12

  1. FSS-ICU, Functional Status Score for the Intensive Care Unit; IMS, ICU mobility scale; n, number; PFIT-s, Physical Function in Intensive Care Test scored; SPPB, Short Physical Performance Battery.