Table 1 |
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Comparison of infection and antibody levels between the four groups. |
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Age Groups |
Infection intensity |
Infection prevalence |
Anti-Sh13 IgG3 |
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Pre-peak vs. peak |
t = -1.942, df = 53 p = 0.029 |
χ2 = 4.114, df = 1, p = 0.043 |
t = -1820, df = 53, p = 0037 |
|
Pre-peak vs. declining |
t = -1.062, df = 102, p = 0.145 |
χ2 = 4.503, df = 1, p = 0.034 |
t = -1.441, df = 102, p = 0.077 |
|
Pre-peak vs. lowest |
t = 1.709, df = 40, p = 0.048 |
χ2 = 0.019, df = 1, p = 0.890 |
t = -2.906, df = 40, p = 0.003 |
|
Peak vs. declining |
t = 1.438, df = 103, p = 0.077 |
χ2 = 0.145, df = 1, p = 0.704 |
t = 0.679, df = 103, p = 0.25 |
|
Peak vs. lowest |
t = 3.170, df = 41, p = 0.002 |
χ2 = 2.563, df = 1, p = 0.109 |
t = -1.165, df = 41, p = 0.126 |
|
Declining vs. lowest |
t = 2.625, df = 90, p = 0.005 |
χ2 = 2.376, df = 1, p = 0.123 |
t = -2.044, df = 90, p = 0.022 |
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The table compares infection intensity, prevalence and anti-Sh13 IgG3 amongst the four groups which the population has been partitioned as shown in Figure 3. Results from post-hoc tests are presented after one way ANOVA showed that infection intensity and anti-sh13 IgG3 levels differed significantly across the 4 age groups (F = 3.863, df = 3, 147, p = 0.011 and F = 2.946, df = 3, 147, p = 0.045 for infection intensity and anti-sh13 IgG3 respectively). Significant differences are highlighted in bold font. |
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Mutapi et al. BMC Infectious Diseases 2006 6:96 doi:10.1186/1471-2334-6-96 |
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