Figure 1

The study populations. From the whole screening population (n = 353), to the group found to have suspected primary hyperaldosteronism (n = 46) and the subsequent study group studied for the diagnose of PA all the way to PAD (post-operative histopathology) after endoscopic adrenal surgery. NSP = non-selective population, SP = selective population, pat = patients, NAH = nodular adrenal hyperplasia, PA = Primary aldosteronism, PAD = histopathological diagnosis