Cystatin C-Based Evaluation of Kidney Function of HIV-Infected Children in Benin City, Southern Nigeria

Table 4

Comparison of characteristics between HIV-infected children with and without chronic kidney disease.

Characteristics	HIV-infected children		Test (𝑡,𝜒2,𝑈)	𝑑𝑓	𝑃 value
	With CKD 𝑛=22,(%)	Without CKD 𝑛=183,(%)
Age
Mean ± SD	5.77±3.463	5.66±3.407	0.141	203	0.888^a
BMI z score	−0.155	−0.42	1904.0		0.678^b
Immunological stage
Advanced	13 (59.1)	49 (26.8)	9.721	1	0.0031^c*
Not advanced	9 (40.9)	134 (73.2)
CD4 count
Mean ± SD (cells/mm^3)	348.8±297.5	844.8±532.0	−3.153	97	0.002^a*
Cystatin C
Mean ± SD (mg/L)	2.15±0.48	0.87±0.13	28.04	203	0.000^a*

CKD: chronic kidney disease. ^aStudent’s 𝑡-test; ^bMann-Whitney 𝑈 test; ^cFisher’s exact test; *significant at 𝑃<0.05.