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Table 2 ODI and VAS valuesa

From: Analysis of clinical effect and radiographic outcomes of Isobar TTL system for two-segment lumbar degenerative disease: a retrospective study

 

Isobar TTL (n = 20)

Rigid (n = 21)

ODI

VAS

ODI

VAS

Before surgery

81.84 ± 6.63

6.82 ± 1.77

82.21 ± 5.86

6.70 ± 1.51

After surgery

30.15 ± 4.38

2.75 ± 0.86

28.06 ± 5.39

2.58 ± 0.86

P

0.000

0.000

0.000

0.000

P

 

ODI (0.182)

 

VAS (0.530)

  1. aData are presented as mean ± standard deviation
  2. P values are based on the paired t test. P is for postoperative values compared with preoperative values; P < 0.05. P′ is for the Isobar TTL group compared with the rigid group; P > 0.05 indicates a statistically significant difference