Variables

Frequency

Valid Percentage

Back related clinical outcome measures

A) RMQ

12

5.4

B) ODI

40

18.1

C) QBPDS

8

3.6

D) ALBDS

10

4.5

Other clinical outcome measures

E) Patient specific functional scale

9

4.1

F) Pain visual Analogue scale

117

52.9

G) SF-36

3

1.4

H) Others

1

0.5

I) Do not use a clinical outcome measure

21

9.5

Total

221

100