TABLE 3.
Characteristic | No Corticosteroid-free Remission (n = 34) | Corticosteroid-free Remissiona (n = 42) | P b |
---|---|---|---|
Age, mean y | 42.0 | 42.7 | 0.82 |
Sex, % | 0.43 | ||
Female | 52.9 | 61.9 | |
Male | 47.1 | 38.1 | |
Race, % | 0.31 | ||
Asian | 0.0 | 2.4 | |
Black | 0.0 | 7.1 | |
Hispanic | 2.9 | 0.0 | |
Unknown | 2.9 | 4.8 | |
White | 94.1 | 85.7 | |
Age of IBD diagnosis, mean, y | 26.0 | 26.1 | 0.97 |
Disease duration at ustekinumab start, mean, y | 15.0 | 14.5 | 0.80 |
Time on ustekinumab before intensification, mean, d | 347.6 | 345.1 | 0.97 |
Ustekinumab level before intensification, mean, ug/mL, n = 2, n = 5 | 3.9 | 2.4 | 0.63 |
Current smoking, % | 14.7 | 7.1 | 0.29 |
Current cannabis, % | 26.5 | 14.3 | 0.18 |
Current opioids, % | 50.0 | 21.4 | <0.01 |
Intensification frequency, % | 0.66 | ||
q4 weeks | 55.9 | 54.8 | |
q5 weeks | 0.0 | 0.0 | |
q6 weeks | 44.1 | 42.9 | |
q7 weeks | 0.0 | 2.4 | |
HBI within 3 months before intensification, %, n = 33, n = 37 | 0.02 | ||
Remission (<5) | 0.0 | 13.5 | |
Mild (5–7) | 30.3 | 46.0 | |
Moderate (8–16) | 63.6 | 40.5 | |
Severe (>16) | 6.1 | 0.0 | |
Extraintestinal manifestations, % | 61.8 | 54.8 | 0.54 |
Prior IBD surgery, % | 70.6 | 50.0 | 0.07 |
Prior anti-TNF, % | 100.0 | 100.0 | n/a |
>1 prior anti-TNF, % | 79.4 | 73.8 | 0.57 |
Prior anti-integrin, % | 50.0 | 47.6 | 0.84 |
Current corticosteroids, % | 29.4 | 28.6 | 0.94 |
CD Location (Montreal classification), % | 0.41 | ||
L1 Terminal ileum | 5.9 | 1.9 | |
L2 Colon | 23.5 | 26.2 | |
L3 Ileocolon | 67.6 | 57.1 | |
L4 Upper GI | 2.9 | 0.0 | |
L3+L4 Ileocolon + Upper GI | 0.0 | 4.8 | |
CD Behavior (Montreal classification), % | 0.83 | ||
B1 Nonstricturing, nonpenetrating | 26.5 | 26.2 | |
B2 Stricturing | 11.8 | 16.7 | |
B3 Penetrating | 61.8 | 57.1 | |
Perianal disease, % | 58.8 | 33.3 | 0.03 |
Lab markers within 3 months before intensification | |||
Fecal calprotectin >120 mcg/g, %, n = 9, n = 12 | 64.3 | 85.7 | 0.19 |
Albumin to CRP ratio, mean, n = 30, n = 36 | 217.1 | 137.9 | 0.55 |
aExcludes patients with both HBI <5 and no use of corticosteroids at time of intensification
bCalculated by Student t test or Pearson χ 2 test