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Table 2 Patient background of the HDA/MDA and LDA/REM groups

From: Association between ultrasound images and patient-reported outcomes in the treatment of rheumatoid arthritis: a retrospective study

Characteristics

HDA/MDA

(N = 105)

LDA/REM

(N = 195)

P

Age, years

65.3 ± 14.2

65.5 ± 14.6

0.7303

Female, %

78.1

81.5

0.4742

Disease duration, months

108.5 ± 145.7

101.0 ± 103.0

0.1375

Stage (I/II/III/IV), %

42.7/19.1/19.1/19.1

45.7/30.8/12.3/11.2

0.0337

TJC, 0–28

6.7 ± 5.1

0.9 ± 0.1

 < 0.0001

SJC, 0–28

4.4 ± 4.3

0.3 ± 0.6

 < 0.0001

CRP, mg/dL

1.7 ± 2.7

0.3 ± 0.6

 < 0.0001

ESR, mm/h

35.5 ± 31.9

18.5 ± 17.4

 < 0.0001

RF, IU/mL

176.6 ± 276.5

92.5 ± 170.7

0.1713

RF positive, %

63.5

60.0

0.5585

CCP, U/mL

322.1 ± 533.7

212.8 ± 310.9

0.6343

CCP positive, %

66.7

66.5

0.9751

MMP-3, ng/mL

225.7 ± 348.9

78.5 ± 80.4

 < 0.0001

SDAI

22.9 ± 11.8

4.0 ± 3.2

 < 0.0001

MTX use, %

53.3

69.2

0.0063

MTX, mg/w

8.9 ± 3.2

8.6 ± 3.5

0.0389

PSL use, %

13.3

12.3

0.7989

PSL, mg/d

5.8 ± 4.4

4.0 ± 2.6

0.7517

b(ts)DMARD use, %

29.5

42.1

0.0327

HAQ-DI

1.5 ± 0.8

0.5 ± 0.7

 < 0.0001

EQ-5D-5L

0.6 ± 0.2

0.8 ± 0.1

 < 0.0001

MS, min

332.5 ± 568.2

46.2 ± 210.9

 < 0.0001

Pain VAS score, 0–100, mm

59.6 ± 24.0

16.0 ± 18.2

 < 0.0001

Fatigue VAS score, 0–100, mm

58.1 ± 25.3

18.7 ± 22.1

 < 0.0001

EGA, 0–100, mm

35.2 ± 20.2

6.4 ± 7.2

 < 0.0001

GS sum

5.5 ± 7.1

1.8 ± 2.9

 < 0.0001

GS score ≥ 1, %

82.9

56.4

 < 0.0001

GS score ≥ 2, %

59.0

23.6

 < 0.0001

GS score ≥ 3, %

25.7

8.2

 < 0.0001

PD sum

2.6 ± 4.3

0.6 ± 1.7

 < 0.0001

PD score ≥ 1, %

55.2

22.6

 < 0.0001

PD score ≥ 2, %

40.0

13.3

 < 0.0001

PD score ≥ 3, %

2.9

2.6

0.8806

  1. Results are shown as means ± SDs; TJC, tender joint count; SJC, swollen joint count; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; RF, rheumatoid factor; CCP, cyclic citrullinated peptide; MMP-3, matrix metalloproteinase-3; SDAI, Simplified Disease Activity Index; MTX, methotrexate; PSL, prednisolone; b(ts)DMARD, biological (targeted synthetic) disease-modifying antirheumatic drug; HAQ-DI, Health Assessment Questionnaire Disability Index; EQ-5D-5L, European Quality of Life-5 Dimensions; MS, morning stiffness; VAS, visual analog scale; EGA, evaluator global assessment of disease activity; GS, grayscale; PD, power Doppler; LDA, low disease activity; HDA: high disease activity; MDA: moderate disease activity; REM: remission