Table 2.

Data samples collected from the volunteers

Volunteer	Days	Duration (min)	Intervals (min)	No. of observations	Liquid consumed (ml)	Urine measured (ml)	Ref bladder volume*	Samples acquired
V1	Day-1	163	15	8	350	215	240	304
V1	Day-2	157	15	7	500	225	240	270
V1	Day-3	142	15	8	500	235	240	310
V1	Day-4	168	30	4	500	255	240	284
V1	Day-5	170	30	5	500	230	240	310
V2	Day-1	155	15	9	500	330	330	330
V2	Day-2	178	15	8	500	335	330	314
V2	Day-3	160	15	8	400	310	330	340
V2	Day-4	155	30	5	500	330	330	324
V2	Day-5	164	30	6	300	315	330	304