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

Table 7 Linear mixed model for NRS with horizontal TPDT as predictor

Parameter	Estimate	SE	95% CI
Intercept, β₀	1.58	0.79	0.05 to 3.12
Horizontal TPDT, β₂	0.03	0.12	–0.21 to 0.26
T2, β_1,1	–1.02	0.95	–2.87 to 0.82
T3, β_1,2	–1.85	1.00	–3.81 to 0.10
Age, C	0.02	0.01	0.0 to 0.04
Horizontal TPDT x T2, β_3,1	–0.04	0.15	–0.34 to 0.26
Horizontal TPDT x T3, β_3,2	0.07	0.16	–0.25 to 0.39

TPDT Two-point discrimination threshold, NRS Numeric Rating Scale, T1 Time point 1 (< 4 weeks), T2 Time point 2 (3 months), T3 Time point 3 (6 months), Horizontal TPDT T1xT2 and Horizontal TPDT T1xT3 Interaction effects of TPDT and time on NRS, Estimate Estimated fixed effects, SE Standard Error, 95% CI 95% confidence interval of estimated effect

ISSN: 1471-2474