Characteristics of 42 patients under the age of 5 years with nutritional rickets in Norway during 2008–2012
| Age at diagnosis (years, mean (SD)) | 1.40 (±0.73) |
| <1 year, n (%) | 10 (24) |
| 1 year, n (%) | 21 (50) |
| 2 years , n (%) | 10 (24) |
| 3 to <4 years, n (%) | 1 (2) |
| Gender, n (%) | |
| Boys | 24 (57.1) |
| Girls | 18 (42.9) |
| Country background, n (%) | |
| Norway | 3 (7.1) |
| Asia | 25 (59.5) |
| Africa | 12 (28.6) |
| Other/unknown | 2 (4.8) |
| Year of diagnosis, n (%) | |
| 2008 | 6 (14.3) |
| 2009 | 10 (23.8) |
| 2010 | 12 (28.6) |
| 2011 | 7 (16.7) |
| 2012 | 7 (16.7) |