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Table 4 Correlation between ODI and individual questions using Kendall’s tau

From: Difficulties in using Oswestry Disability Index in Indian patients and validity and reliability of translator-assisted Oswestry Disability Index

ODI questionnaire items

Translator 1

Translator 2

Kendall’s tau

P value

Kendall’s tau

P value

One

0.531

<0.001

0.467

<0.001

Two

0.622

<0.001

0.396

<0.001

Three

0.458

<0.001

0.259

0.016

Four

0.649

<0.001

0.477

<0.001

Five

0.468

<0.001

0.398

<0.001

Six

0.6

<0.001

0.512

<0.001

Seven

0.547

<0.001

0.418

<0.001

Nine

0.643

<0.001

0.55

<0.001

Ten

0.661

<0.001

0.519

<0.001