Table 3 |
|||||||||
|
Estimates of parasite threshold (τ) and the sensitivity(%) and specificity(%) with respective 95% Confidence intervals (95%CI). |
|||||||||
|
Log parasite (parasite/μL) and 95%CI |
Sensitivity (95%CI) |
Specificity (95%CI) |
|||||||
|
|
|||||||||
|
Age group |
τ(exp(τ)) |
lower |
Upper |
Est. |
lower |
Upper |
Est. |
lower |
Upper |
|
|
|||||||||
|
Lowlands |
|||||||||
|
0-1 yrs |
8.20 (3641) |
8.02(3041) |
8.64(5653) |
74.3 |
70.7 |
76.0 |
67.3 |
66.3 |
78.6 |
|
2-3 yrs |
8.66 (5756) |
8.53(5064) |
8.95(7708) |
74.1 |
71.4 |
74.8 |
76.9 |
73.1 |
81.1 |
|
4-5 yrs |
8.73 (6215) |
8.65(5710) |
9.39(11968) |
64.9 |
60.1 |
65.6 |
86.2 |
85.9 |
92.9 |
|
6-9 yrs |
8.13 (3405) |
7.87(2618) |
8.21(3678) |
69.1 |
69.1 |
69.8 |
90.4 |
88.3 |
91.1 |
|
10-19 yrs |
6.81 (903) |
6.68(796) |
7.03(1130) |
68.3 |
67.2 |
69.7 |
82.8 |
81.8 |
86.0 |
|
|
|||||||||
|
Highlands |
|||||||||
|
0-1 yrs |
7.12 (1233) |
5.73(308) |
9.28(10721) |
67.1 |
50.6 |
78.5 |
66.7 |
50.0 |
93.3 |
|
2-3 yrs |
5.71 (302) |
4.57(97) |
6.01(407) |
91.9 |
90.4 |
95.6 |
53.2 |
29.8 |
59.6 |
|
4-5 yrs |
6.46 (640) |
6.44(626) |
6.77(871) |
84.0 |
84.0 |
84.0 |
72.7 |
71.2 |
80.3 |
|
6-9 yrs |
4.63 (102) |
3.95(52) |
4.72(112) |
96.9 |
96.9 |
99.1 |
37.2 |
16.7 |
37.2 |
|
10-19 yrs |
4.62 (101) |
4.54(94) |
4.90(134) |
91.9 |
90.3 |
91.9 |
47.2 |
47.2 |
61.8 |
|
|
|||||||||
|
Parameters were estimates by profile likelihood methods using model (2) |
|||||||||
|
Mmbando et al. BMC Medical Research Methodology 2009 9:75 doi:10.1186/1471-2288-9-75 |
|||||||||
