Figure 2: Diurnal variations in plasma ionized calcium levels in patients with hypoparathyroidism following 24 weeks of treatment with 100 μg of (black) ( ) or placebo (gray) ( ). The background light gray square indicates the reference range (1.18–1.32 mmol/l). The value indicates significance between groups by repeated measurements ANOVA. Median with interquartile (25% to 75% percentile) range. and by post hoc comparison. Reproduced with permission from JBMR [18].