Skip to main content

Table 1 Baseline characteristics of patients after propensity score matching

From: Impact of the HLA-DRB1 shared epitope on responses to treatment with tofacitinib or abatacept in patients with rheumatoid arthritis

Variables

Tofacitinib (n = 70)

Abatacept (n = 70)

P

Age, years

69.2 ± 10.1

68.6 ± 12.1

0.925

Female, n, %

59 (84.3)

58 (82.9)

1.000

Disease duration, years

14.8 ± 14.0

14.1 ± 13.0

0.678

Stage I/II/III/IV, %

20.0/10.0/32.9/37.1

25.7/12.9/32.9/28.6

0.694

Class 1/2/3/4, %

5.7/71.4/22.9/0.0

5.7/68.6/25.7/0.0

0.956

BMI, kg/m2

21.4 ± 3.3

21.8 ± 2.8

0.505

SE copy number 0/1/2, %

31.4/61.4/7.1

28.6/54.3/17.1

0.252

Current smoker, n (%)

4 (5.7)

5 (7.1)

1.000

Ever smoker, n (%)

14 (20.0)

21 (30.0)

0.241

No. of prior biologic use

 0 (biologic naïve )

31

37

0.398

 1

13

14

0.830

 2

14

7

0.098

  ≥ 3

12

12

1.00

MTX use, n (%)

41 (58.6)

40 (57.1)

1.000

MTX dose, mg/week

8.4 ± 2.4

8.0 ± 2.7

0.441

Oral corticosteroid use, n (%)

27 (38.6)

24 (34.3)

0.726

Oral corticosteroid dose, mg/daya

4.5 ± 2.8

5.5 ± 3.9

0.288

MMP-3, ng/mL

243.6 ± 242.9

153.4 ± 134.6

0.140

SJC, 0–28

4.4 ± 4.1

3.7 ± 3.7

0.507

TJC, 0–28

5.9 ± 5.0

5.4 ± 5.3

0.557

ESR, mm/h

40.1 ± 32.0

38.2 ± 30.2

0.882

CRP, mg/dL

1.54 ± 1.92

1.48 ± 2.19

0.742

RF, U/mL

217.7 ± 529.9

165.1 ± 375.8

0.790

ACPA, U/mL

245 ± 393.3

256.6 ± 293.8

0.323

GH, VAS 0–100 mm

53.1 ± 28.4

52.2 ± 24.2

0.777

EGA, VAS 0–100 mm

47.8 ± 20.4

45.2 ± 15.8

0.522

SDAI

21.9 ± 12.1

20.3 ± 11.4

0.283

CDAI

20.3 ± 11.2

19.8 ± 10.0

0.326

DAS28-ESR

4.8 ± 1.4

4.7 ± 1.3

0.508

HAQ-DI

1.12 ± 0.81

1.07 ± 0.76

0.689

  1. aPrednisolone equivalents
  2. Results are expressed as means ± SD unless otherwise stated
  3. Comparisons of matched groups were performed using the Student’s t test for continuous variables and Pearson’s χ2 test for categorized variables. ACPA anticitrullinated peptide antibody, BMI body mass index, CRP C-reactive protein, CDAI Clinical Disease Activity Index, DAS28-ESR Disease Activity Score in 28 joints using the erythrocyte sedimentation rate, EGA evaluator global assessment of disease activity, ESR erythrocyte sedimentation rate, GH patient’s global assessment of general health, HAQ-DI Health Assessment Questionnaire Disability Index, MMP-3, matrix metalloproteinase 3, MTX methotrexate, RF rheumatoid factor, SE shared epitope, SDAI Simplified Disease Activity Index, SJC swollen joint count, TJC tender joint count