Open AccessVisceral to subcutaneous fat ratio as an indicator of a ≥30% eGFR decline in chronic kidney disease
Author(s) -
Hiroshi Kataoka,
Toshio Mochizuki,
Kazuhiro Iwadoh,
Yusuke Ushio,
Keiko Kawachi,
Saki Watanabe,
Kentaro Watanabe,
Taro Akihisa,
Shiho Makabe,
Shun Manabe,
Masayo Sato,
Naomi Iwasa,
Rie Yoshida,
Yukako Sawara,
Norio Hanafusa,
Ken Tsuchiya,
Kosaku Nitta
Publication year - 2020
Publication title -
plos one
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.99
H-Index - 332
ISSN - 1932-6203
DOI - 10.1371/journal.pone.0241626
Subject(s) - hazard ratio , kidney disease , medicine , cohort , proportional hazards model , logistic regression , odds ratio , gastroenterology , kidney , cohort study , endocrinology , confidence interval , urology
Whether the visceral-to-subcutaneous fat ratio (V/S ratio) is associated with renal prognosis in patients with chronic kidney disease (CKD) remains unclear. Furthermore, little is known about the effect of sex and the absolute amount of visceral fat accumulation such as visceral fat area (VFA) ≥100 cm 2 on the V/S ratio in relation to renal prognosis. In this study, 200 patients with CKD were evaluated for renal prognosis. Survival analyses and logistic regression analyses were conducted, generating time-series pseudo- R 2 values. The mean and percent change of the pseudo- R 2 values from the 6 th year to the 10 th year (6Y–10Y Mean and 6Y–10Y Change, respectively) were calculated for determining the cut-off points for the medium-term renal prognosis. Multivariate Cox regression analysis revealed that the V/S ratio was significantly associated with renal outcomes and that the VFA category (VFA ≥ 100 cm 2 ) had significant interactions with the V/S ratio regarding renal prognosis. The hazard ratio (HR) of the V/S ratio was higher in the sub-cohort of VFA < 100 cm 2 than in the sub-cohort of VFA ≥ 100 cm 2 (HR: 6.42 vs. 1.00). Regarding sex differences, a strong association was noted between the V/S ratio and renal prognosis in women but not in men (HR: 2.40 vs. 1.10). On the other hand, 6Y–10Y Mean of the pseudo- R 2 values indicated differences in the cut-off points of the V/S ratio between men and women (V/S ratio: 0.75 vs. 0.5). Our findings indicate that it may be clinically meaningful to consider the differences in sex and the amount of VFA ≥100 cm 2 for the V/S ratio in relation to renal outcomes in patients with CKD. The 6Y–10Y Mean of the pseudo- R 2 values contributed to determining the cut-off points of the V/S ratio according to the sex difference.