BTG3 and Keratoconjunctivitis sicca: Table 4 showed that two groups were not significantly different in terms of age, disease duration, ANA titers, anti-dsDNA levels, and TMH (p > 0.05). In contrast, the scores of SLEDAI, NIKBUT-first, NIKBUT-average, and OSDI were significantly different between dry eye group and control group (p < 0.05), indicating incidence of dry eye was related to the severity of SLE.