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. 2011 Apr 14;6(1):31–38. doi: 10.1007/s11657-011-0054-z

Table 5.

PTH, s-iCa2+ and 25(OH)D in adults with OI

Total [mean ± SD (range)] OI type I [mean ± SD (range)] OI type III [mean ± SD (range)] OI type IV [mean ± SD (range)] P value
N a N N N
PTH (1.5–7.0 pmol/lb) 4.0 ± 1.8 (1.0–8.5) 3.8 ± 1.7 (1.0–8.1) 4.3 ± 2.0 (1.2–7.3) 4.9 ± 1.9 (1.7–8.5) 0.13
89 68 8 11
s-iCa2+ (1.18–1.35 mmol/lb) 1.24 ± 0.37 (1.17–1.32) 1.23 ± 0.03 (1.17–1.31) 1.24 ± 0.04 (1.20–1.31) 1.25 ± 0.05 (1.17–1.32) 0.43
88 67 8 11
25(OH)D (37–131 nmol/lb) 75 ± 29 (22–198) 78 ± 29 (27–198) 52 ± 13 (34–73) 74 ± 32 (22–131) 0.05
91 70 8 11

N number of patients

aTwo were unclassified

bLaboratory reference range