Ten-Year Surgical Outcomes and Prognostic Factors for French-Door Laminoplasty in the Treatment of Multilevel Cervical Spondylotic Myelopathy

Table 1

Baseline data of the patients.

Indictor	Result
Number of patients	64
Male	46
Female	18
Age at surgery (year)
Symptom duration (month)
Operative time (min)
Blood loss (ml)