Fig. 2
From: Neonatal heel prick screening TSH concentration in the Netherlands as indicator of iodine status
Odds ratio and their 95% confidence intervals of exceeding blood spot screening cut off (nTSH >1mIU/L versus nTSH = 1mIU/L) for several characteristics, a univariate analyses, b multivariate analyses with the following characteristics (reference value): year (2007), laboratory (Zwolle), age of heel prick blood sampling (4 days), gender (male), birth weight category (middle: 3.31-3.71 kg), pregnancy duration category (middle: 276-284 days), season (spring), and interaction terms: year*laboratory, age*year, age*laboratory; presented for age = day 4