ENHO and peeling skin syndrome: Furthermore, after dividing the pSS patients into lower adropin (<3.73 ng/mL) and higher adropin groups (>3.73 ng/mL) according to the median value of the pSS group, there was a statistically significant difference in SSDDI score: 3.0 (2.0–4.0) vs. 2.0 (1.0–2.0), p < 0.001 The pSS group with reduced levels of adropin (<3.73 ng/mL) had higher SSDDI score (Table 3).