Table 2.
Results of testing the relationship between the proportion of nosocomial transmission and genotype or age
| Subgroup | Null hypothesis | Adjusted P value | Significant relationship |
|---|---|---|---|
| Age | |||
| 0 to 5 yr | Independent of genotype | 0.14 | No |
| >5 yr | Independent of genotype | <0.01 | Yes |
| Genotype | |||
| GII.7 | Independent of age | 0.69 | No |
| GII.4 | Independent of age | 0.69 | No |
| GII.3 | Independent of age | 0.02 | Yes |
| Unknown | Independent of age | >0.99 | No |
| Rest | Independent of age | 0.60 | No |
| All ages | Independent of genotype | <0.01 | Yes |
| All genotypes | Independent of age | 0.30 | No |