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Table 2 Floor and ceiling effects

From: Reliability, validity and responsiveness of the German self-reported foot and ankle score (SEFAS) in patients with foot or ankle surgery

SEFAS

t1

t2

pain

lof

os

total

pain

lof

os

total

min (0)

0.7%

4.1%

9.0%

0.7%

0.7%

4.1%

8.2%

0%

max (100)

0%

0%

3.5%

0%

0%

0%

4.8%

0%

all (min + max)

0.7%

4.1%

12.5%

0.7%

0.7%

4.1%

13%

0%

  1. Floor and ceiling effects are considered to be present when more than 15% of the individuals reach the highest or lowest possible numeric value of a score
  2. t1 = 3–14 days before surgery, t2 = morning before surgery, lof = limitation of function, os = others
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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