Table 3

Paired analysis of haematological parameters: booking consultation (healthy) and at the first episode of malaria

Species (N)

Parameter
Median
min
max
P*

P. falciparum (N = 24)
Platelet
Baseline (healthy)/μL
256,000
115,000
419,000
< 0.001


Reduction from baseline/μL
-86,000
-305,000
-5,000



% difference (95%CI)
-34 (-24 to -47)%


Haemoglobin
Baseline (healthy) g/dL
11.2
9.9
14.2
0.005


Reduction from baseline g/dL
-0.3
-3.3
1.9



% difference (95%CI)
-3 (-2 to -4)%


WBC
Baseline (healthy)/μL
9,900
4,500
13,900
0.070


Reduction from baseline/μL
-1,250
-6,400
3,100



% difference (95%CI)
-13 (-9 to -18)%

P. vivax (N = 36)
Platelet
Baseline (healthy)/μL
242,000
101,000
438,000
< 0.001


Reduction from baseline/μL
-52.5
-376
129



% difference (95%CI)
-22 (-16 to -29)%


Haemoglobin
Baseline (healthy) g/dL
11.4
8.9
12.9
0.031


Reduction from baseline g/dL
-0.6
-2.4
1.2



% difference (95%CI)
-5 (-4 to -7)%


WBC
Baseline (healthy)/μL
8,900
1,300
24,00
< 0.001


Reduction from baseline/μL
-750
-16,600
11,800



% difference (95%CI)
-8 (-6 to -12)%


*P paired analysis of reduction from baseline

Tan et al. Malaria Journal 2008 7:209   doi:10.1186/1475-2875-7-209