TABLE 4.
The association between selected viral infections and plasma IGF-I concentration among Malawian children at 18 mo of age1
| Plasma IGF-I concentration,2 ng/mL | ||||
|---|---|---|---|---|
| Detected infection (no. of children with negative/positive test results) | Children with negative test result for infection | Children with positive test result for infection | Difference (95% CI) | P value3 |
| Enterovirus (88/500) | 14.2 ± 9.0 | 12.2 ± 7.4 | –2.0 (–4.0, 0.01) | 0.0514 |
| Rhinovirus (560/28) | 12.4 ± 7.7 | 13.7 ± 7.6 | 1.3 (–1.7, 4.2) | 0.40 |
| Parechovirus (498/90) | 12.5 ± 17.4 | 12.0 ± 9.1 | –0.6 (–2.3, 1.2) | 0.51 |
| Norovirus (541/47) | 12.5 ± 7.8 | 11.9 ± 7.0 | –0.6 (–2.9, 1.7) | 0.63 |
| Rotavirus (584/4) | 12.5 ± 8.7 | 10.4 ± 7.7 | –2.1 (–9.7, 5.5) | 0.525 |
1
IGF-I, insulin-like growth factor I.
2
Means ± SDs.
3
P values obtained using Student's t test.
4
Degrees of freedom for the t test obtained from Welch's formula due to unequal variances.
5
Wilcoxon–Mann–Whitney sum of ranks test.