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 .