Table 1.

Baseline characteristics of patients and healthy donors analyzed for anti-KIR autoantibodies.

	SLE	pSS	SSc	HD
Number of individuals	191	119	48	100
Female, %	89	92	79	90
Age at serum sampling, mean ± SD years	45 ± 16	55 ± 14	59 ± 15	45 ± 13
ANA, %	98	82	75
Anti-dsDNA, %	63	2†	2
Anti-Sm, %	30	2‡	4
Anti-RNP, %	29	3‡	15
Anti-SSA/Ro, %	51	78	10
Anti-SSB/La, %	25	40§	2
Anti-Scl-70, %	1§	n.d.	17

Data are missing from

^§1,

^†6, and

^‡8 patients, respectively.

n.d. = not determined.