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Illustration of How to Display Categorical Data Comparing Coordination of Intervention.
| Overlapping Surgery (n = 1505) | Nonoverlapping Surgery (n = 1800) | |
|---|---|---|
| Lumbar fusion less than 3 levels, n (%) | 310 (21) | 325 (18) |
| Lumbar fusion greater than 3 levels, n (%) | 150 (10) | 178 (10) |
