Clinical Study
Microdecompression versus Open Laminectomy and Posterior Stabilization for Multilevel Lumbar Spine Stenosis: A Randomized Controlled Trial
Table 7
The association between the cost of operation and study groups.
| Study variables | Study group | Total | χ2 | value | Group A | Group B |
| Cost of operation | | | | | | 4500$ | 33 (100.0) | 0 (0.0) | 33 (100.0) | 65.02 | <0.001 | 6000$ | 0 (0.0) | 32 (100.0) | 32 (100.0) | Performed in a governmental hospital (free) | 17 (48.6) | 18 (51.4) | 35 (100.0) | Total | 50 (100.0) | 50 (100.0) | 100 (100.0) |
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value ≤0.05 was significant. |