Table 3: (a) The comparison of ODI scores. (b) The comparison of decrease % in follow-up OSW data.
(a)

ODITDR ( )PTDS ( ) a

Preop ODIMin–Max40–10046–980.847
Mean ± SD
ODI (3 months)Min–Max12–5612–380.069
Mean ± SD
ODI (12 months)Min–Max4–342–260.010*
Mean ± SD
ODI (24 months)Min–Max2–202–180.408
Mean ± SD

b 0.001**0.001**

aStudent’s -test, brepeated measures test.
Adjustment for multiple comparisons: Bonferroni .
, .
(b)

ODI (decrease %)TDR ( )PTDS ( )
Mean ± SDMean ± SD

Preop * ODI (3 months) 0.669
Preop * ODI (12 months) 0.093
Preop * ODI (24 months) 0.808

Mann-Whitney test.