Asymptomatic and sub-microscopic Plasmodium falciparum infection in children in the Mount Cameroon area: a cross-sectional study on altitudinal influence, haematological parameters and risk factors

Table 4 A comparison of mean haematological values in children positive for sub-microscopic infection and those negative

Variable	Sub microscopic status	Mean (SD)	t-test	95% CI of difference
Variable	Sub microscopic status	Mean (SD)	P value	95% CI of difference
WBC × 10⁹/L	Pos	7.55 (2.87)	0.22	− 0.46 to − 0.58
WBC × 10⁹/L	Neg	7.48 (2.40)	0.824	− 0.46 to − 0.58
Hb (g/dL)	Pos	9.86 (1.65)	− 6.87	− 1.69 to − 0.94
Hb (g/dL)	Neg	11.18 (2.07)	< 0.001***	− 1.69 to − 0.94
RBC × 10¹²/L	Pos	4.48 (1.05)	− 4.61	− 0.76 to − 0.31
RBC × 10¹²/L	Neg	5.01 (1.22)	< 0.001***	− 0.76 to − 0.31
Hct (%)	Pos	31.92 (7.16)	3.33	− 4.31 to − 1.11
Hct (%)	Neg	33.63 (8.74)	< 0.001***	− 4.31 to − 1.11
MCV (fl)	Pos	72.58 (8.84)	1.40	− 0.45 to − 2.68
MCV (fl)	Neg	71.46 (7.10)	0.163	− 0.45 to − 2.68
MCH (pg)	Pos	34.16 (3.36)	2.15	− 1.14 to − 0.3
MCH (pg)	Neg	36.68 (3.83)	0.253	− 1.14 to − 0.3
MCHC (g/L)	Pos	31.33 (4.74)	− 2.11	− 21.64 to − 21.63
MCHC (g/L)	Neg	32.45 (5.64)	0.035	− 21.64 to − 21.63
RDW-CV%	Pos	15.19 (3.29)	3.24	0.38 to − 1.56
RDW-CV%	Neg	14.21 (2.71)	< 0.001***	0.38 to − 1.56
Plt × 10⁹/L	Pos	280.63 (112.62)	− 2.66	− 48.61 to − 0.84
Plt × 10⁹/L	Neg	305.36 (126.32)	0.049*	− 48.61 to − 0.84

POS: positive, Neg: negative, * Statistically significant at P < 0.05*** statistically significant at P < 0.001, Pos = 175, Neg = 225

ISSN: 1475-2875