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Table 3 Union rate of spina bifida occulta

From: Repair of symptomatic bilateral L5 spondylolysis with autogenous iliac crest graft and temporary intersegmental pedicle screw fixation in youth

Time (postop) Union rate of pars Union rate of patients
6 months 15.8% (6/38) 10.5% (2/19)
9 months 47.3% (18/38) 26.3% (5/19)
12 months 78.9% (30/38) 68.4% (13/19)
24 months 92.1% (35/38) 84.2% (16/19)