Table 1 Basic characteristics of the studied samples.

From: Identification of novel rheumatoid arthritis-associated MiRNA-204-5p from plasma exosomes

Variables

Discovery group

Replication group

Validation group

RA (n = 9)

Control (n = 9)

RA (n = 30)

Control (n = 30)

RA (n = 56)

Control (n = 60)

Age (years)

47 ± 9

48 ± 14

45 ± 10

47 ± 14

48 ± 10

70 ± 4.08**

Sex

Female

Female

Female

Female

Female

Female

Weight (kg)

59.2 ± 9.4

56.0 ± 5.5

54.3 ± 9.2

56.3 ± 5.8

54.6 ± 8.8

58.4 ± 6.8

Height (cm)

160 ± 5.18

159 ± 6.81

157 ± 6.10

159 ± 6.96

158 ± 6.91

156 ± 5.32

RF (IU/ml)

145.5 (3.0–494.0)

N.A.

239.9 (3.0–1110.0)

N.A.

214.7 (20.0–976.0)

N.A.

ESR (mm/h)

51.5 ± 29.3

N.A.

52.3 ± 31.2

N.A.

35.72 ± 19.7

N.A.

CCP (RU/ml)

N.A.

N.A.

N.A.

N.A.

777.98 (2.19–1608.00)

N.A.

CRP (mg/L)

22.41 (5.04–75.11)

N.A.

12.4 (1.00–75.11)

N.A.

14.76 (1.00–72.20)

N.A.

DAS28

5.237 ± 0.68

N.A.

5.47 ± 1.49

N.A.

4.92 ± 0.75

N.A.

  1. R—association coefficient. All the data are presented as the mean ± SD or mean (range).
  2. RF rheumatoid factor, ESR erythrocyte sedimentation rate, CCP cyclic citrullinated peptide antibody, DAS28 disease activity score using 28 joint counts, CRP C-reactive protein. N.A. not applicable.
  3. **P < 0.01.