Table 3 Changes in ODI scores before, after the surgery and during follow up visits
From: ACDF vs TDR for patients with cervical spondylosis – an 8 year follow up study
ACDF | TDR | P | ||
|---|---|---|---|---|
ODI | Preoperatively | 41.3 ± 9.6 | 40.1 ± 11.2 | 0.28 |
Before discharge | 25.6 ± 4.9 | 15.3 ± 4.5 | <0.01 | |
1 | 12.2 ± 3.6 | 6.4 ± 2.2 | <0.01 | |
3 | 9.2 ± 2.2 | 5.6 ± 2.3 | <0.01 | |
5 | 9.3 ± 3.2 | 5.1 ± 2.8 | <0.01 | |
8 | 9.0 ± 2.5 | 4.2 ± 2.1 | <0.01 | |