TABLE 2

Coronary Artery Outcome Stratified by Treatment Group

Coronary OutcomeIVIg Only, n = 33IVIg and Infliximab, n = 58IVIg and Corticosteroids, n = 30Pa
Baseline, median (IQR)
 RCA z score2.8 (1.2 to 3.5)2.6 (1.6 to 3.8)2.6 (1.6 to 3.3).46
 LAD z score2.5 (0.9 to 3.5)3.1 (2.7 to 3.9)3.2 (2.8 to 4.4).12
 Maximum coronary z score3.2 (2.8 to 4.2)3.6 (2.9 to 4.3)3.5 (3.0 to 4.5).39
At 12 mo postonset
 Maximum coronary z score, median (IQR)0.6 (−0.3 to 1.5)1.3 (0.6 to 2.2)1.0 (0.5 to 1.8).21
 Regression aneurysmb, n (%)26 (79)43 (74)24 (80).82
Maximum coronary z score within first 12 mo, median (IQR)3.5 (2.9 to 6.3)4.0 (3.0 to 5.0)3.6 (3.2 to 5.3).85
 Giant aneurysms, n (%)4 (12)5 (9)1 (3).49
Increase in coronary dimensions during follow-up
 Maximum ↑ in z scorec, median (IQR)1.5 (0.0 to 3.2)0.3 (0.0 to 1.0)0.3 (0.0 to 1.0).057
 ↑ in z score >1 SD unit, n (%)19 (58)14 (24)7 (23).003
 ↑ in z score >2 SD unit, n (%)8 (24)6 (10)5 (17).058
  • ↑, increase.

  • a Nonparametric test for median for continuous values; Fisher exact test for qualitative values.

  • b Regression defined as a z score <2 for all coronary artery segments.

  • c Worst coronary artery z score − baseline coronary artery z score.