Table 4.

Comparison of HLA class II phenotypes in serological subsets^a

HLA phenotype/serology	n (%)	p	pcorr	OR (95% CI)
DRB1*03
Synthetase	44 (84.6)	1 × 10-15	1 × 10-14	14.1 (6.3–35.2)
PM-Scl	11 (100)	3 × 10-6	4 × 10-5	30.6 (4.4–1309.1)
DRB1*07
Mi-2	14 (77.8)	4 × 10-6	5 × 10-5	11.1 (3.4–46.8)
DQA1*02
Mi-2	14 (77.8)	9 × 10-6	5 × 10-5	11.6 (3.3–50.6)
DQA1*05
Synthetase	42 (85.7)	7 × 10-9	4 × 10-8	9.5 (3.8–26.5)
PM-Scl	11 (100)	0.0002	0.001	18.9 (2.6–814.9)
DQB1*02
Synthetase	42 (85.7)	6.6 × 10-9	4 × 10-8	9.5 (3.8–26.5)
Mi-2	15 (83.3)	7 × 10-4	0.004	7.5 (2.0–41.9)
PM-Scl	11 (100)	0.0003	0.001	18.0 (2.5–777.4)

^aResults are versus controls. CI, confidence interval; OR, odds ratio; p, probability; p_corr, corrected probability.