Table 3.

Calcium, phosphate and alkaline phosphatase concentrations

Age group (years)Total with abnormal value (% of those tested)Also with 25(OH)D <25 (% of those with low value)
Serum corrected calciumTotal121 (1.3)46 (38.0)
75+41 (1.5)18 (43.9)
n=9,46560–74.935 (1.4)13 (37.1)
Abnormal <2.1030–59.944 (1.3)15 (34.1)
<301 (<0.1)0
PhosphateTotal242 (7.5)75 (31.0)
n=3,21175+102 (8.9)45 (44.1)
Abnormal <0.860–74.958 (6.6)13 (22.4)
30–59.973 (7.8)15 (20.5)
<309 (3.6)2 (22.2)
Alkaline phosphataseTotal2656 (23.3)704 (26.5)
n=11,39975+938 (34.1)317 (33.8)
Abnormal >12060–74.9802 (28.5)192 (23.9)
30–59.9695 (14.9)152 (21.9)
<30311 (26.8)43 (13.8)
  • n = number tested