Table 6.

Incidence of opportunistic infections (cases per 100 PYO) among HIV-infected children receiving ART in Amhara regional state comprehensive specialized hospitals, 2022 (n = 452), stratified by variables investigated.

Variables	OI		Person-months of observation	OI IDR, cases per 100 PYO	P-value
	Event (n = 120)	Censored (n = 332)
Marital status of the caregiver
Married	54	191	9,315	6.96	0.011
Unmarried	24	76	3,483	8.27
Divorced	30	43	2,498	14.41
Widowed	12	22	1,371	10.5
Initiated ART within 7 days
Yes	22	146	5,721	4.61	0.0002
No	98	186	10,946	10.74
CD4 cell count
Above threshold	74	281	13,716	6.47	<0.001
Below threshold	46	51	2,951	18.71
Anemia
No	69	309	14,194.00	5.8	<0.001
Yes	51	23	2,473	24.75
Duration of ART
<6 months	43	34	2,522	14.27	<0.001
≥6 months	77	298	14,145	7.64
Adherence to ART
Good	51	261	12,296	4.98	<0.001
Fair or poor	69	71	4,371	18.94
Ever taking tuberculosis preventive therapy
Yes	54	237	11,641	5.57	<0.001
No	66	95	4,439.73	15.76
Ever taking cotrimoxazole preventive therapy
Yes	86	288	14,242	7.25	<0.001
No	34	44	2,425.00	16.82
Wasting
No	76	237	12,008.00	7.59	0.0431
Yes	44	95	4,659.00	11.33

IDR, incidence density rate.