Table 5.
All radiologic parameters at preop, postop 3 months, postop 1 year and postop 5 years
| No. of cases | Cervical lordosis | Operated segmental height | C2-7 ROM | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Preop | Post 3 months | Post 1 year | Post 5 years | Preop | Post 3 months | Post 1 year | Post 5 years | Preop | Post 3 months | Post 1 year | Post 5 years | |
| Total (43) | −8.6† | −9.8 | −12.7 | −14.8† | 34.5† | 35.3 | 35.2 | 35.3† | 39.8 | 33.0 | 40.5 | 43.0 |
| Fusion with cage (21) | −10.6 | −9.4 | −12.2 | −13.3 | 33.4 | 34.1 | 33.2 | 33.5* | 41.7 | 30.4 | 36.4 | 41.3 |
| Arthroplasty (22) | −6.8† | −10.2 | −13.1 | −16.3† | 35.5† | 36.5 | 36.9 | 37.1†* | 38.4 | 35.5 | 43.9 | 44.7 |
| Without ASD (23) | −9.6‡ | −10.5 | −13.6 | −14.2‡ | 35.0 | 35.2 | 34.9 | 35.0 | 45.5 | 35.8 | 40.3 | 47.0* |
| With ASD (20) | −7.5† | −9.1 | −11.6 | −15.5† | 33.8† | 35.4 | 35.6 | 35.6† | 33.6 | 29.8 | 40.6 | 38.5* |
| Operated segmental ROM | Upper segmental ROM | Lower segmental ROM | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Preop | Post 3 months | Post 1 year | Post 5 years | Preop | Post 3 months | Post 1 year | Post 5 years | Preop | Post 3 months | Post 1 year | Post 5 years | |
| Total (43) | 10.8 | 6.0 | 6.8 | 5.6 | 8.3 | 6.5 | 9.2 | 9.4 | 5.9‡ | 5.1 | 7.2 | 7.7‡ |
| Fusion with cage (21) | 10.2 | 1.4 | 0.7 | 0.5* | 8.4 | 6.8 | 10.0 | 10.8** | 3.1† | 5.1 | 6.7 | 6.6† |
| Arthroplasty (22) | 11.2† | 10.5 | 12.1 | 10.2†* | 8.3 | 6.1 | 8.5 | 8.0** | 8.0 | 5.1 | 7.6 | 8.6 |
| Without ASD (23) | 12.4‡ | 6.0 | 6.7 | 6.0‡ | 9.3 | 7.1 | 9.0 | 9.8 | 5.7‡ | 4.6 | 7.8 | 8.4‡ |
| With ASD (20) | 8.9 | 6.0 | 7.0 | 5.2 | 7.3 | 5.7 | 9.5 | 8.9 | 6.2 | 5.7 | 6.5 | 6.9 |
Between groups comparisons with * Mann–Whitney test and p < 0.01, **p < 0.05 and intergroup comparison between post 5 years with preop by † Wilcoxon signed-ranks test and p < 0.01, ‡p < 0.05