Retrospective Study on Acute Kidney Injury among Cholera Patients in an Outbreak in Whitefield, Bengaluru

Table 4

Correlation of proteinuria (urine PCR) with cholera.

Ranks
	Group	N	Mean rank	Sum of ranks
Urine PCR (D0)	Cholera with normal kidney function	12	15.88	190.50
	Cholera with abnormal kidney function	43	31.38	1,349.50
	Total	55	—	—
Urine PCR (D5)	Cholera with normal kidney function	12	22.58	271.00
	Cholera with abnormal kidney function	43	29.51	1,269.00
	Total	55	—	—
Test statistics^a
	Urine PCR (D0)		Urine PCR (D5)
Mann–Whitney U	112.500		193.000
Wilcoxon W	190.500		271.000
Z	−3.053		−1.468
Asymp. sig. (2-tailed)	0.002		0.142