From: The effects of oral clefts on hospital use throughout the lifespan
 | 0-9 years of age | 10-19 years of age | ||
---|---|---|---|---|
 | Including controls with malformations | Excluding controls with malformations | Including controls with malformations | Excluding controls with malformations |
Number of observations | 618,082 | 586,874 | 343,797 | 326,991 |
Hospitalized at least once | 54,562 (8.83%) | 48,280 (8.23%) | 16,967 (4.94%) | 15,791 (4.83%) |
Hospitalization days among those hospitalized | 5.23 (11.37) | 4.68 (9.73) | 3.88 (9.27) | 3.83 (9.39) |