Table 6. .

Pearson Coefficient of Correlation (R) of Long and Short C4 Genes with C4A and C4B in Female Patients with SLE, Female First-Degree Relatives, and Unrelated Female Controls

	Female Patients with SLE(n=216)		Female First-Degree Relatives(n=220)		Unrelated Female Controls(n=387)		All Three Groups(n=823)
Correlation	R	P	R	P	R	P	R	P
Long C4 with:
C4A	.765	<.0001	.688	.688	.642	<.0001	.695	<.0001
C4B	−.230	.0007	−.028	−.028	−.135	.0079	−.133	.0001
Short C4 with:
C4A	−.435	<.0001	−.285	−.285	−.301	<.0001	−.335	<.0001
C4B	.482	<.0001	.380	.380	.442	<.0001	.437	<.0001