Predictors of poor outcomes after posterior decompression surgery in patients with degenerative cervical myelopathy.

Suzuki S, Nagoshi N, Fujiyoshi K, Aoyama R, Tsuji O, Okada E, Fujita N, Yagi M, Tsuji T, Watanabe K, Nakamura M, Matsumoto M, Ishii K, Yamane J.