Skip to main content

Table 6 Floor and ceiling effects

From: Patient reported outcome measures (PROMs) in primary care: an observational pilot study of seven generic instruments

Instrument (n)

Minimum score baseline

Maximum score baseline

Minimum score follow up

Maximum score follow up

PAM-13 (47)

0.0% (0/47)

2.1% (1/47)

0.0% (0/47)

2.1% (1/47)

EC-17 (36)

0.0% (0/36)

2.8% (1/36)

0.0% (0/36)

0.0% (0/36)

EQ-5D (45)

0.0% (0/45)

22.2% (10/45)

0.0% (0/45)

44.4% (20/45)

EQ- VAS (47)

0.0% (0/47)

2.1% (1/47)

0.0% (0/47)

6.4% (3/47)

SF-12 PCS (42)

0.0% (0/42)

0.0% (0/42)

0.0% (0/42)

0.0% (0/42)

SF-12 MCS (42)

0.0% (0/42)

0.0% (0/42)

0.0% (0/42)

0.0% (0/42)

GHQ-12 (97)

0.0% (0/97)

0.0% (0/97)

0.0% (0/97)

0.0% (0/97)

PEI (97)

54.6% (53/97)

0.0% (0/97)

60.8% (59/97)

1.0% (1/97)

GPE (89)

1.1% (1/89)

5.6% (5/89)

0.0% (0/89)

6.7% (6/89)