Table 1

Characteristics of the study group

AllCalcifications +Calcifications −
*p=0.02
All patients with SLE (n)752154
Median age at SLE diagnosis (y)27.0 (14-27)29.1 (16-38)25.9 (14-39)
Median age at EBT (y)38.8 (20-48)41.0* (28-48)37.0 (20-48)
Median disease duration (y)10.1 (0.04-21)13.1 (0.3-21)9.3 (0.04-20)
Median ECLAM score3.1 (0.4-6)3.1 (0.4-6)3.0 (1.8-4.4)
Median SDI, year 51 (0-6)1 (0-6)1 (0-5)