Koji Iinuma, Yoshinori Nishino, Kanako Matsuoka, Tatsuya Ihara, Shunta Makabe, Ryo Tanji, Yuki Harigane, Kenichiro Ishida, Masayoshi Tamaki, Shigeaki Yokoi, Hiroki Hoshino, Kazuya Yuhara, Toru Yamada, Yasuaki Kubota, Kousei Miwa, Mina Kikuchi, Yoshiyuki Kojima, Takahiko Mitsui, Takuya Koie
The aims of this study were to determine the prevalence and predictors of nocturnal polyuria (NP) in Japanese patients. This multicentral, observational study enrolled patients with the chief complaint of nocturia at 17 Japanese institutions between January 2018 and December 2022. The frequency of daily voiding and volume of urination were evaluated using bladder diaries. NP was diagnosed in patients with an NP index of > 33%. The primary endpoint was NP prevalence in patients with nocturia. The secondary endpoints were the prevalence of NP according to sex and age and the identification of factors predicting NP...
October 24, 2023: Scientific Reports