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Statistical evaluation: central stenosis versus ODI
| Severity of ODI | Central stenosis | |||||
|---|---|---|---|---|---|---|
| Normal | Moderate | Severe | ||||
| Mild | 1 | 25.00% | 1 | 6.70% | 8 | 18.20% |
| Moderate | 0 | 0.00% | 5 | 33.30% | 8 | 18.20% |
| Severe | 2 | 50.00% | 5 | 33.30% | 18 | 40.90% |
| Crippled | 1 | 25.00% | 4 | 26.70% | 7 | 15.90% |
| Bedridden | 0 | 0.00% | 0 | 0.00% | 3 | 6.80% |
There is no statistically significant relationship between the distribution of ODI classification and the central stenosis classification (P = 0.690); χ2 = 5.61, P = 0.690
