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Table 3 Analysis of the different assessment parameters (COMI, ODI, SF-36(v2)) between the three groups from the preoperative condition up to the 48-months follow-up

From: The use of the DTO™ hybrid dynamic device: a clinical outcome- and radiological-based prospective clinical trial

Outcome Group 1 Group 2 Group 3 p-value
COMI
 preoperative 8.86 ± 0.625 9.16 ± 0.992 8.86 ± 1.294 0.639
 12 months 6.01 ± 2.510 4.75 ± 3.178 5.81 ± 2.796 0.504
 24 months 5.50 ± 3.838 5.04 ± 2.334 5.76 ± 2.881 0.84
 36 months 6.03 ± 2.793 5.98 ± 3.460 6.95 ± 2.695 0.80
 48 months 5.89 ± 3.359 5.33 ± 2.344 5.24 ± 2.946 0.934
ODI
 preoperative 65.21 ± 15.793 54.06 ± 12.497 63.57 ± 15.791 0.074
 12 months 47.11 ± 19.701 31.92 ± 18.936 46.00 ± 18.796 0.093
 24 months 45.29 ± 26.625 36.10 ± 14.985 40.75 ± 21.246 0.67
 36 months 56.00 ± 30.199 35.20 ± 25.519 50.00 ± 15.895 0.343
 48 months 46.25 ± 26.862 37.29 ± 16.958 38.13 ± 19.982 0.761
SF-36(v2)
 preoperative 30.95 ± 5.657 27.37 ± 6.512 23.56 ± 6.137 0.022*
 12 months 35.36 ± 15.514 39.38 ± 10.482 32.47 ± 9.778 0.290
 24 months 34.97 ± 14.243 35.36 ± 11.051 34.71 ± 12.032 0.991
 36 months 31.75 ± 15.627 32.20 ± 16.085 31.78 ± 8.411 0.998
 48 months 37.83 ± 16.574 32.73 ± 5.192 31.50 ± 8.786 0.587
  1. Significant differences are marked with ‘*’