Table 2.
Year | ASC | Non-ASC | ||||
---|---|---|---|---|---|---|
2008 | 2009 | 2010 | 2008 | 2009 | 2010 | |
n = 1089 | n = 1053 | n = 1053 | n = 47,758 | n = 50,553 | n = 52,140 | |
Age (%)* | ||||||
Preschool | 37.7 | 37.5 | 37.5 | 47.5 | 49.0 | 50.6 |
School | 62.3 | 62.5 | 62.5 | 52.5 | 51.0 | 49.4 |
Gender(%)* | ||||||
Boys | 83.1 | 83.2 | 83.7 | 64.8 | 64.8 | 64.6 |
Girls | 16.9 | 16.8 | 16.3 | 35.2 | 35.2 | 35.4 |
Male/Female Ratio | 4.9 | 5.0 | 5.1 | 1.8 | 1.8 | 1.8 |
*p < 0.001 (comparing the overall mean for the 3 years in the ASC and non-ASC groups)