Fig. 2From: Surgical treatment of upper cervical spine metastases: a retrospective study of 39 cases a Kaplan–Meier curve of 38 atlantoaxial metastases showed that the overall survival rates at 1, 2, and 3 years after surgery were 58.5, 40, and 28.3%, respectively. b Kaplan–Meier curves of different growth groups in atlantoaxial metastases showed that the median survival rates of slow, moderate, and rapid growth group were 60, 18, and 10 months, respectivelyBack to article page