Fig. 3From: Early versus late surgery after cervical spinal cord injury: a Japanese nationwide trauma database studySurvival curve between early and late surgery after operation. Early surgery, operation performed within 24 h; late surgery, operation performed from 25 h to 7 days. The propensity score adjusted Cox regression analysis found no significant difference between early and late operation for the in-hospital mortality of cervical spinal cord injury (p = 0.53)Back to article page