Table 1 Distribution of age and gender in the whole cohort and different time periods
Total cohort | A (2009–2012) | B (2013–2015) | C (2016–2018) | |
|---|---|---|---|---|
Gender (female) | 62.8% | 102 (67.6%) | 158 (60.1%) | 226 (62.8%) |
Median age (years) | 11.0 | 12.0 | 11.0 | 11.0 |
Total cohort | A (2009–2012) | B (2013–2015) | C (2016–2018) | |
|---|---|---|---|---|
Gender (female) | 62.8% | 102 (67.6%) | 158 (60.1%) | 226 (62.8%) |
Median age (years) | 11.0 | 12.0 | 11.0 | 11.0 |