Incidence and prognostic factors of postoperative C5 palsy after cervical OPLL surgery: a nationwide prospective multicenter study

S Satoru Egawa T Takashi Hirai K Kenichiro Sakai K Kazuo Kusano S Shunji Tsutsui Y Yu Matsukura K Kentaro Yamada H Hiroaki Onuma K Kanichiro Wada K Keiichi Katsumi M Masao Koda A Atsushi Kimura T Takeo Furuya S Satoshi Maki N Norihiro Nishida Y Yukitaka Nagamoto Y Yasushi Oshima K Kei Ando H Hiroaki Nakashima T Tsutomu Endo (Graduate School of Agricultural and Life Sciences, Department of Animal Resource Sciences, The University of Tokyo) K Kanji Mori H Hideaki Nakajima K Kazuma Murata M Masayuki Miyagi T Takashi Kaito K Kei Yamada T Tomohiro Banno S Satoshi Kato T Tetsuro Ohba M Masahiko Takahata H Hiroshi Moridaira S Shunsuke Fujibayashi H Hiroyuki Katoh H Haruo Kanno N Narihito Nagoshi H Hiroshi Taneichi S Shiro Imagama Y Yoshiharu Kawaguchi K Katsushi Takeshita M Masaya Nakamura M Morio Matsumoto M Masashi Yamazaki T Toshitaka Yoshii