Serum ALP levels highest in the first 6 months of life, decreased to relatively steady levels
thereafter and started to increase again after age 9 years .
The pubertal peak levels not as high as the levels detected in the first 6 months of life.
ALP levels exceeding 900 U/L were observed in two age groups in girls, namely 0-6 months and 12-13 years.
In boys, these high levels were observed in six age groups,
namely 0-6 months, 6-12 months, 1 year , 10-11 years, 12-13 years and 14-15 years.
Serum ALP levels were similar in boys and girls until age 10 years, but higher ALP levels were noted at ages 10-11 years in girls and in three age groups, namely 12-13, 14-15 and 16-17 years in boys .
ALP levels start to decline after 12 years of age in girls and after 14 years of age in boys,
with upper ranges approaching the upper ranges of adults (240 U/L for females, 270 U/L for males)
in girls (293 U/L), but not in boys (430 U/L) until they reach the ages of 16 to 18 years
.
thereafter and started to increase again after age 9 years .
The pubertal peak levels not as high as the levels detected in the first 6 months of life.
ALP levels exceeding 900 U/L were observed in two age groups in girls, namely 0-6 months and 12-13 years.
In boys, these high levels were observed in six age groups,
namely 0-6 months, 6-12 months, 1 year , 10-11 years, 12-13 years and 14-15 years.
Serum ALP levels were similar in boys and girls until age 10 years, but higher ALP levels were noted at ages 10-11 years in girls and in three age groups, namely 12-13, 14-15 and 16-17 years in boys .
ALP levels start to decline after 12 years of age in girls and after 14 years of age in boys,
with upper ranges approaching the upper ranges of adults (240 U/L for females, 270 U/L for males)
in girls (293 U/L), but not in boys (430 U/L) until they reach the ages of 16 to 18 years
.
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