Non-random distribution of Plasmodium Species infections and associated clinical features in children in the lake Victoria region, Kenya, 2012–2018

Table 3 Observed and expected frequencies of Plasmodium species infections by age group-PCR analysis

Species composition	< 5 years (n = 1903)			5–10 years (n = 4715)			11–15 years (n = 3106)
Species composition	Ob served	Expected	Chi-square	Ob served	Expected	Chi-square	Ob served	Expected	Chi-square
Pf	514	627.24	20.44	1376	1701.77	62.36	1020	1240.92	39.33
Pm	16	135.69	105.58	84	418.73	267.58	53	271.45	175.79
Po	25	75.66	33.92	43	165.69	90.84	19	71.75	38.78
Pf/Pm	147	94.86	28.65	562	395.42	70.18	461	307.61	76.48
Pf/Po	36	52.90	5.40	111	156.46	13.21	69	81.31	1.86
Pm/Po	1	11.44	9.53	2	38.50	34.60	3	17.79	12.29
Pf/Pm/Po	86	8.00	760.51	241	36.36	1151.96	100	20.16	316.29
Not infected	1078	897.20	36.43	2296	1802.09	135.37	1381	1095.02	74.69
	Chi-square = (df = 7)1000.47; p < 0.001			Chi-square = (df = 7) 1826.11; p < 0.001			Chi-square = (df = 7) 735.52; p < 0.001

df degrees of freedom, Pf Plasmodium falciparum, Pm Plasmodium malariae, Po Plasmodium ovale

ISSN: 1349-4147