Research Article

The Safety and Effectiveness of Infliximab Biosimilar in Managing Rheumatoid Arthritis: A Real-Life Experience from Jordan

Table 1

Demographics and baseline characteristics of participants and their differences by the study site.

VariableTotal cohort, n = 22Site 1-KAUH, n = 12 (54.5%)Site 2-PHH, n = 10 (45.5%) value

Female, n (%)16 (72.7)9 (75.0)7 (70.0)0.793

Age in years, mean (SD)44.64 (10.40)42.50 (11.21)47.21 (9.42)0.284

Height in cmn = 15n = 12n = 30.344
 Mean (SD)165.9 (9.2)165.1 (9.9)169.3 (5.9)

Weight in kgn = 17n = 12n = 50.512
 Mean (SD)82.7 (15.5)81.3 (17.1)86.0 (11.6)

BMIn = 15n = 12n = 30.419
 Mean (SD)29.4 (5.9)29.9 (6.3)27.6 (3.8)

RA duration in years, mean (SD)6.19 (5.61)6.66 (6.10)5.56 (5.11)0.645
 Min002
 Max19.019.018.0

RF positive, n (%)22 (100.0)12 (100.0)10 (100.0)

Concomitant medications:
 Methotrexate use, n (%)19 (86.4)10 (83.3)9 (90.0)0.650
 NSAID use, n (%)8 (36.4)1 (8.3)7 (70.0)0.002

DAS28-ESRn = 20n = 12n = 80.603
 Mean (SD)6.52 (0.23)6.41 (0.89)6.68 (1.28)
 Min4.204.594.20
 Max7.907.607.90

HAQ-DIn = 20n = 12n = 80.191
 Mean (SD)0.99 (0.81)1.18 (0.75)0.71 (0.81)
 Min000
 Max2.552.402.55

ESR, mm/hourn = 21n = 11n = 100.059
 Mean (SD)58.57 (26.27)48.64 (17.55)69.50 (30.63)
 Min17.0027.0017.00
 Max128.0080.00128.00

CRPa, mg/ln = 19n = 9n = 100.576
 Mean (SD)39.55 (85.72)52.00 (124.82)28.34 (23.55)
 Min005.20
 Max384.00384.0076.60

aThree CRP values for two patients were replaced by “0.0” as the principal investigator filled their original values as “Negative.” KAUH: King Abdullah University Hospital; PHH: Prince Hamzah Hospital; BMI: body mass index; RA: rheumatoid arthritis; RF: rheumatoid factor; DAS28: 28-Joint Disease Activity Score; ESR: Erythrocyte Sedimentation Rate; HAQ-DI: Disability Index of the Health Assessment Questionnaire; CRP: C-reactive protein.