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Table 3 Clinical assessment of the Greenough judgment of the clinical effect

From: Analysis of clinical effect and radiographic outcomes of Isobar TTL system for two-segment lumbar degenerative disease: a retrospective study

GroupnExcellentGoodFairPoorExcellent-Good rateP
Isobar TTL204133085.00%1
  1. P values are based on the χ2 test. P < 0.05 indicates a statistically significant difference