Table 3 Preoperative and postoperative values of anterior and posterior disc height at L3-L4 and L5-S1 after L4-5 TDR
ADH L3-L4 after TDR L4-5 | PDH L3-4 after TDR L4-5 | ADH L5-S1 after TDR L4-5 | PDH L5-S1 after TDR L4-5 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Baseline | 6 weeks | 3 years | Baseline | 6 weeks | 3 years | Baseline | 6 weeks | 3 years | Baseline | 6 weeks | 3 years | |
Mean (pixel) | 10.6 | 26.4 | 14.7 | 24.7 | 30.2 | 13 | 30.4 | 32.9 | 18.1 | 14.9 | 25.1 | 10.6 |
SD | 3.4 | 24.8 | 5.6 | 6.3 | 24.6 | 3.2 | 13.6 | 18.4 | 8.1 | 7.7 | 18.9 | 5.5 |
p | 1 | 0.5 | 0.005 | 1 | 0.3 | < 0.0001 | 1 | 0.5 | 0.003 | 1 | 0.03 | 0.08 |