Table 3.

Multivariate associations with IFX durability

CharacteristicHR95% CIP Value
Adherence to forecast
ON TIME_BOTH INF3_INF4
LATE_BOTH_INF3_INF47.993.49-18.3<.001
LATE_INF3_ON TIME_INF41.980.82-4.80.13
ON TIME INF3_LATE INF42.371.18-4.77.02
Sex
 Male
 Female0.820.47-1.43.5
Baseline age
 <18 y
 ≥18 y1.550.79-3.05.2
Weight, kg1.010.99-1.03.3
Starting dose
 5 mg/kg
 10 mg/kg0.990.55-1.79>.9
Diagnosis
 CD
 IBD-U0.000.00-∞>.9
 UC3.211.74-5.94<.001
Baseline steroid
 No
 Prednisone2.341.15-4.76.02
 Budesonide1.120.44-2.84.8
Baseline immunomodulators
 No
 MTX0.620.08-4.89.6
 6-MP0.670.15-2.98.6
 AZA2.420.48-12.2.3
CharacteristicHR95% CIP Value
Adherence to forecast
ON TIME_BOTH INF3_INF4
LATE_BOTH_INF3_INF47.993.49-18.3<.001
LATE_INF3_ON TIME_INF41.980.82-4.80.13
ON TIME INF3_LATE INF42.371.18-4.77.02
Sex
 Male
 Female0.820.47-1.43.5
Baseline age
 <18 y
 ≥18 y1.550.79-3.05.2
Weight, kg1.010.99-1.03.3
Starting dose
 5 mg/kg
 10 mg/kg0.990.55-1.79>.9
Diagnosis
 CD
 IBD-U0.000.00-∞>.9
 UC3.211.74-5.94<.001
Baseline steroid
 No
 Prednisone2.341.15-4.76.02
 Budesonide1.120.44-2.84.8
Baseline immunomodulators
 No
 MTX0.620.08-4.89.6
 6-MP0.670.15-2.98.6
 AZA2.420.48-12.2.3

Abbreviations: 6-MP, 6-mercaptopurine; AZA, azathioprine; CD, Crohn’s disease; CI, confidence interval; HR, hazard ratio; IBD-U, inflammatory bowel disease unclassified; IFX, infliximab; MTX, methotrexate; UC, ulcerative colitis.

Table 3.

Multivariate associations with IFX durability

CharacteristicHR95% CIP Value
Adherence to forecast
ON TIME_BOTH INF3_INF4
LATE_BOTH_INF3_INF47.993.49-18.3<.001
LATE_INF3_ON TIME_INF41.980.82-4.80.13
ON TIME INF3_LATE INF42.371.18-4.77.02
Sex
 Male
 Female0.820.47-1.43.5
Baseline age
 <18 y
 ≥18 y1.550.79-3.05.2
Weight, kg1.010.99-1.03.3
Starting dose
 5 mg/kg
 10 mg/kg0.990.55-1.79>.9
Diagnosis
 CD
 IBD-U0.000.00-∞>.9
 UC3.211.74-5.94<.001
Baseline steroid
 No
 Prednisone2.341.15-4.76.02
 Budesonide1.120.44-2.84.8
Baseline immunomodulators
 No
 MTX0.620.08-4.89.6
 6-MP0.670.15-2.98.6
 AZA2.420.48-12.2.3
CharacteristicHR95% CIP Value
Adherence to forecast
ON TIME_BOTH INF3_INF4
LATE_BOTH_INF3_INF47.993.49-18.3<.001
LATE_INF3_ON TIME_INF41.980.82-4.80.13
ON TIME INF3_LATE INF42.371.18-4.77.02
Sex
 Male
 Female0.820.47-1.43.5
Baseline age
 <18 y
 ≥18 y1.550.79-3.05.2
Weight, kg1.010.99-1.03.3
Starting dose
 5 mg/kg
 10 mg/kg0.990.55-1.79>.9
Diagnosis
 CD
 IBD-U0.000.00-∞>.9
 UC3.211.74-5.94<.001
Baseline steroid
 No
 Prednisone2.341.15-4.76.02
 Budesonide1.120.44-2.84.8
Baseline immunomodulators
 No
 MTX0.620.08-4.89.6
 6-MP0.670.15-2.98.6
 AZA2.420.48-12.2.3

Abbreviations: 6-MP, 6-mercaptopurine; AZA, azathioprine; CD, Crohn’s disease; CI, confidence interval; HR, hazard ratio; IBD-U, inflammatory bowel disease unclassified; IFX, infliximab; MTX, methotrexate; UC, ulcerative colitis.

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