Early prognostic impact of serum sodium level among out-of-hospital cardiac arrest patients: a nationwide multicentre observational study in Japan (the JAAM-OHCA registry)

Haruka Shida, Tasuku Matsuyama, Sho Komukai, Taro Irisawa, Tomoki Yamada, Kazuhisa Yoshiya, Changhwi Park, Tetsuro Nishimura, Takuya Ishibe, Yoshiki Yagi, Takeyuki Kiguchi, Masafumi Kishimoto, Sung‐Ho Kim, Yasuyuki Hayashi, Taku Sogabe, Takaya Morooka, Haruko Sakamoto, Keitaro Suzuki, Fumiko Nakamura, Norihiro Nishioka, Yohei Okada, Satoshi Matsui, Satoshi Yoshimura, Shunsuke Kimata, Shunsuke Kawai, Yuto Makino, Taku Iwami, Tetsuhisa Kitamura, on behalf of the CRITICAL Study Group Investigators