Table 2.

Association of noncalcified coronary plaque with history of serologic findings and treatment history in our study group (n = 147). Data were missing for some variables.

Factor	Mean Noncalcified Plaque Score (SD)	p	Differences Between Subgroups in Mean Plaque Score Controlling for Age (95% CI)	p Controlling for Age
Lupus nephritis (biopsy confirmed)
No, n = 115	0.24 (0.31)	0.41	Reference group	0.76
Yes, n = 32	0.20 (0.23)		0.02 (−0.09, 0.13)
Anti-dsDNA
No, n = 46	0.20 (0.22)	0.32	Reference group	0.030
Yes, n = 100	0.25 (0.32)		0.11 (0.01, 0.21)
Anticardiolipin antibody
No, n = 50	0.18 (0.27)		Reference group
Yes, n = 96	0.26 (0.30)	0.11	0.06 (−0.04, 0.15)	0.26
Lupus anticoagulant
No, n = 89	0.20 (0.26)	0.090	Reference group	0.12
Yes, n = 57	0.28 (0.34)		0.07 (−0.02, 0.16)
Corticosteroids
No, n = 23	0.26 (0.36)		Reference group
Yes, n = 123	0.23 (0.28)	0.66	−0.00 (−0.12, 0.12)	0.99
Hydroxychloroquine
No, n = 4	0.28 (0.31)		Reference group
Yes, n = 142	0.23 (0.29)	0.76	−0.08 (−0.20, 0.35)	0.58
Azathioprine
No, n = 108	0.25 (0.31)		Reference group
Yes, n = 37	0.18 (0.23)	0.36	−0.02 (−0.12, 0.08)	0.72
Cytoxan
No, n = 115	0.24 (0.31)		Reference group
Yes, n = 30	0.19 (0.22)	0.33	−0.03 (−0.14, 0.08)	0.59
Methotrexate
No, n = 121	0.22 (0.27)	0.18	Reference group	0.12
Yes, n = 24	0.31 (0.40)		0.10 (−0.02, 0.22)
NSAID
No, n = 27	0.19 (0.19)	0.38	Reference group	0.57
Yes, n = 119	0.25 (0.24)		0.03 (−0.08, 0.15)
Anti-Ro
No, n = 87	0.25 (0.31)	0.084	Reference group	0.20
Yes, n = 19	0.15 (0.19)		−0.07 (−0.18, 0.04)
Anti-Sm
No, n = 122	0.24 (0.30)	0.38	Reference group	0.96
Yes, n = 24	0.18 (0.23)		0.00 (−0.12, 0.13)
Anti-RNP
No, n = 115	0.24 (0.30)		Reference group
Yes, n = 31	0.19 (0.25)	0.35	−0.02 (−0.13, 0.86)	0.70
Anti-La
No, n = 131	0.24 (0.30)	0.29	Reference group	0.39
Yes, n = 15	0.16 (0.17)		−0.07 (−0.22, 0.87)

NSAID: nonsteroidal antiinflammatory drugs.