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Table 3 Spearman Rank Correlations of TPDT and ODI/NRS

From: Prediction and trend of tactile acuity, pain and disability in acute LBP: a six-month prospective cohort study

 

N

R

95% CI

TPDT vertical / ODI

 T1

98

0.12

–0.08 to 0.31

 T2

82

–0.05

–0.25 to 0.16

 T3

74

0.33

0.12 to 0.53

TPDT vertical / NRS

 T1

101

–0.06

–0.25 to 0.14

 T2

82

0.06

–0.17 to 0.26

 T3

74

0.25

0.01 to 0.46

TPDT horizontal / ODI

 T1

98

0.15

–0.08 to 0.35

 T2

82

0.27

0.03 to 0.49

 T3

74

0.38

0.15 to 0.58

TPDT horizontal / NRS

 T1

101

0.03

–0.17 to 0.23

 T2

82

–0.14

–0.35 to 0.06

 T3

74

–0.03

–0.26 to 0.21

  1. N Number of subjects, R Spearman Rank Correlation, 95%CI 95% confidence interval, NRS Numeric Rating Scale (NRS) 0–10, ODI Oswestry Disability Index score 0–100%, TPDT Two-point discrimination threshold in vertical and horizontal direction from 1–10 cm