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Table 3 Comparison of radiological and clinical data between groups

From: A retrospective comparative study of clinical efficacy of percutaneous short segment pedicle screw fixation with or without screwing of the fractured vertebra with O-arm navigation

Variable Group A (n = 21) Group B (n = 21) P value
Cobb angle (°)
 Pre-operative 12.81 ± 4.25 14.33 ± 6.37 0.368
 Post-operative 4.76 ± 2.86a 6.62 ± 5.00a 0.147
 Last follow-up 6.52 ± 3.04a 9.48 ± 5.38a 0.035
AVH% (%)
 Pre-operative 59.13 ± 11.88 64.51 ± 15.76 0.219
 Post-operative 94.64 ± 10.22a 93.12 ± 15.97a 0.716
 Last follow-up 87.51 ± 10.67a,b 78.99 ± 15.13a,b 0.041
VAS score
 Post-operative 2.6 ± 0.5 2.4 ± 0.5 0.367
 Last follow-up 1.6 ± 0.5 1.6 ± 0.5 0.760
ODI (%)
 Post-operative 46.7 ± 15.2 48.1 ± 14.9 0.775
 Last follow-up 5.5 ± 1.4 5.5 ± 1.5 0.915
  1. Bold values indicate significant differences between two groups, p < 0.05
  2. AVH% percentage of anterior vertebral height
  3. a Compared to pre-operation, P < 0.05
  4. b Compared with post-operation, P < 0.05