Table 1.
Patient characteristics according to the presence of global polyuria.
Fig 1.
Relationship between each question in the I-PSS questionnaire and components of frequency volume chart.
(1) Question 1 (24-hour UO; p = 0.950, Nocturnal UO; p = 0.379, MVV; p = 0.205, Daytime voids; p = 0.475, Nocturnal voids; p = 0.080). (2) Question 2 (24-hour UO; p = 0.537, Nocturnal UO; p = 0.518, MVV; p = 0.001, Daytime voids; p<0.001, Nocturnal voids; p = 0.001). (3) Question 3 (24-hour UO; p = 0.210, Nocturnal UO; p = 0.644, MVV; p = 0.109, Daytime voids; p = 0.250, Nocturnal voids; p = 0.467). (4) Question 4 (24-hour UO; p = 0.227, Nocturnal UO; p = 0.282, MVV; p = 0.032, Daytime voids; p = 0.010, Nocturnal voids; p = 0.055). (5) Question 5(24-hour UO; p = 0.556, Nocturnal UO; p = 0.488, MVV; p = 0.141, Daytime voids; p = 0.423, Nocturnal voids; p = 0.323). (6) Question 6 (24-hour UO; p = 0.265, Nocturnal UO; p = 0.377, MVV; p = 0.471, Daytime voids; p = 0.417, Nocturnal voids; p = 0.418). (7) Question 7 (24-hour UO; p = 0.629, Nocturnal UO; p = 0.041, MVV; p = 0.132, Daytime voids; p = 0.133, Nocturnal voids; p<0.001). (8) Quality of life (24-hour UO; p = 0.374, Nocturnal UO; p = 0.390, MVV; p = 0.006, Daytime voids; p = 0.021, Nocturnal voids; p = 0.003).
Table 2.
The relationship between each question in the I-PSS questionnaire with 24-hr Urine output / body weight.
Fig 2.
ROC curves of the prediction model for the presence of global polyuria.
Table 3.
Variables predicting global polyuria: Univariate and multivariable analysis.