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Table 2 Statistical data for the group of 21 patients, who stopped bracing at 6 months of treatment.

From: Treatment of chronic low back pain in patients with spinal deformities using a sagittal re-alignment brace

  Z P1 P2
t1/t2 - 1,76505 0,03877 0,07755
t1/t3 - 5,85398 0,00166 0,00333
  1. Comparison of the pain intensity as estimated with the help of the Wilcoxon test at t1 (before treatment)/t2 (at brace adjustment) and at t1 (before treatment)/t3 (after an average follow-up time of 18 months). No significant differences t1/t2, but significant differences in the mid-term (t1/t3).