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Distribution of different types of Modic changes with endplate concave angle
| Groups | Modic changes | Total | χ 2 | P | |
|---|---|---|---|---|---|
| Type I | Type II | ||||
| L4 lower < 165° | 19 | 47 | 66 | 1.430 | 0.232 |
| ≥ 165° | 16 | 63 | 79 | ||
| L5 upper < 169° | 20 | 52 | 72 | 1.035 | 0.309 |
| ≥ 169° | 15 | 58 | 73 | ||
| L5 lower < 166° | 21 | 52 | 73 | 5.179 | 0.023* |
| ≥ 166° | 14 | 58 | 72 | ||
*statistically significant difference (p < 0.05)
