Table 1 Baseline characteristics of the populations studied.

From: Validation of galectin-1 as potential diagnostic biomarker of early rheumatoid arthritis

 

Population 1

Population 2

Healthy donors

p

(n = 30)

(n = 32)

(n = 24)

Female; n (%)

25 (83.33)

27 (84.38)

20 (83.33)

1

Age; p50 [p25–p75]

52 [39–70]

52 [43 – 60]

52 [36–64]

0.79

BMI; p50 [p25–p75]

26.46 [23.5–29.27]

26.78 [22.87–30.26]

28.23 [25.05–29.37]

0.646

RA/UA; n (%)

30 (100)/0 (0)

21 (65.63)/11 (34.38)

 

 < 0.001

Disease duration (months); p50 [p25–p75]

6.48 [2.76–8.83]

2.78 [2–7.81]

 

0.060

RF positive; n (%)

22 (73.33)

16(50)

 

0.059

ACPA positive; n (%)

20(66.67)

16(50)

 

0.184

DAS28; p50 [p25–p75]

5.12 [3.89–5.8]

3.91 [2.98–6.34]

 

0.049

HAQ; p50 [p25–p75]

1.06 [0.62–1.62]

1 [0.81–1.37]

 

0.970

  1. p50: median; p25-p75: interquartile range; BMI: body mass index; RA: rheumatoid arthritis; UA: undifferentiated arthritis; RF: rheumatoid factor; ACPA: anti-citrullinated protein antibodies; DAS28: disease activity score estimated with 28 joint count. HAQ: health assessment questionnaire.