Table 3. Association between IL-6 and gender, age, S. haematobium infection status, and haematuria.

Factor	Category	No. of children (n)	% with detectable IL-6 levels in urine	X2	p-value	Median (pg/ml)	p-value
Gender	Females	72	55.9%		0.301	112.7
	Males	93	63.9%	1.0702		129.0	0.550
Age (years)	5–9	54	72.2%		0.045	242.9
	10–11	88	51.1%			101.0
	12–15	23	60.9%	6.1935		108.7	0.019
S. haematobium infection status	Positive	60	72.1%		0.011	157.2
	Negative	105	51.9%	6.5102		107.2	0.086
Haematuria	Present	29	54.4%		0.005	106.7
	Absent	136	82.8%	7.9640		108.9	0.021