Age | <10 ng/ml N, % | 10 - 29 ng/ml N, % | 30 - 100 ng/ml N, % |
0 - 1 y | 22 (31.88) | 36 (52.17) | 11 (15.94) |
2 - 5 y | 29 (38.16) | 38 (50.00) | 9 (11.84) |
6 - 11 y | 32 (41.02) | 41 (52.56) | 5 (06.41) |
12 - 16 y | 36 (46.75) | 40 (51.95) | 1 (01.30) |