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Table 3 Criterion validity for the SFI-25 and SFI-10 from existing published research

From: Developing a shortened spine functional index (SFI-10) for patients with sub-acute/chronic spinal disorders: a cross-sectional study

PROM

Australian (PCC)

Polish [19] (SCC)

Turkish [23] (PCC)

Persian [22] (PCC)

Spanish [20] (PCC)

Chinese [24] (PCC)

Korean [21] (PCC)

Greek [25] (PCC)

SFI-25

SFI-10

SFI-25

SFI-10

SFI-25

SFI-25

SFI-25

SFI-25

SFI-25

SFI-25

SFI-25

 

0.965 (n = 505)

 

0.943 (n = 225)

      

0.950 (n = 1433)

FRI

0.832 (n = 343)

0.810 (n = 343)

  

0.52 (n = 285)

  

0.66 (n = 265)

0.57 (n = 60)

 

ODI

0.818 (n = 194)

0.780 (n = 194)

0.800 (n = 86)

0.797 (n = 86)

0.71 (n = 151)

  

0.75 (n = 142)

 

0.58 (n = 60)

RMDQ

0.976 (n = 31)

0.893 (n = 31)

   

0.69 (n = 114)

0.79 (n = 133)

 

0.75 (n = 42)

0.70 (n = 60)

NDI

0.748 (n = 143)

0.693 (n = 183)

0.548 (n = 49)

0.321 (n = 49)

0.58 (n = 129)

0.57 (n = 124)

 

0.61 (n = 118)

0.53 (n = 26)

 

WDQ

0.883 (n = 70)

0.837 (n = 70)

        

PSFS

0.743 (n = 174)

0.734 (n = 174)

        

EQ-Index

  

0.408 (n = 125)

0.532 (n = 125)

  

0.42 (n = 226)

   

P-NRS (SCC)

  

−0.377 (n = 225)

−0.423 (n = 225)

      
  1. SFI indicates Spine Functional Index, PCC Pearson’s Correlation Coefficient for normally distributed data, SCC Spearman’s Correlation Coefficient for non-normally distributed data, FRI Functional Rating Index, ODI Oswestry Disability Index, RMDQ Roland Morris Disability Questionnaire, NDI Neck Disability Index, WDQ Whiplash Disability Questionnaire, PSFS Patient Specific Index, EQ-Index EuroQol Index, P-NRS Pain Numerical Rating Scale
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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