Table 1. Demographic Characteristics, Symptoms and Signs of Participants^a,b,c.

	ARF	CRF	Control
Age, y	67.64 ± 13.03	65.53 ± 16.38	56.3 ± 9.79
Gender
Female	26 (51)	15 (9)	10 (50)
Male	24 (49)	15 (31)	10 (50)
History
Hypertension	27 (56.3)	21 (43.8)	0 (0)
DM	14 (66.7)	7 (33.3)	0 (0)
CRF	6 (20)	24 (80)	0 (0)
Symptoms
Nausea	16 (61.5)	10 (38.5)	0 (0)
Vomiting	16 (72.7)	6 (27.3)	0 (0)
Signs
Crackle	11 (61.1)	7 (38.9)	0 (0)
Pretibial edema	15 (75)	5 (25)	0 (0)

^aFor these parameters, there was no statistical difference between the groups (P > 0.05).

^bAbbreviations: DM, diabetes mellitus; CRF, chronic renal failure.

^cData are presented as No. (%) or Mean ± SD.