. 2024 Oct 3;7:1406365. doi: 10.3389/fdata.2024.1406365

Table 1.

Clinical characteristics of the 1,961 RA patients from KRRD.

	DAS28 < 3.2 (N = 1, 328)	DAS28 ≥3.2 (N = 633)	Total (N = 1, 961)	p value
Age, mean (SD), year				<0.952^b
Mean (SD)	56.0 (12.8)	56.1 (12.6)	56.0 (12.7)
Range	17.6 − 94.4	20.3 − 86.3	17.6 − 94.4
Gender				<0.001^a
Female	816.0 (61.4%)	459.0 (72.5%)	1275.0 (65.0%)
Disease duration, mean (SD), year				<0.750^b
Mean (SD)	11.1 (6.7)	11.0 (7.6)	11.1 (7.0)
Range	0.2 − 33.6	0.1 − 36.6	0.1 − 36.6
BMI				0.161^b
Mean (SD)	29.2 (6.1)	29.7 (6.6)	29.4 (6.3)
Range	16.2 − 67.4	16.6 − 64.9	16.2 − 67.4
Current steroid				<0.001^a
Yes	112.0 (9.4%)	116.0 (19.8%)	228.0 (12.8%)
VAS				<0.001^b
Mean (SD)	0.8 (1.7)	4.0 (2.6)	1.8 (2.5)
Range	0.0 − 10.0	0.0 − 10.0	0.0 − 10.0
ESR				<0.001^b
Mean (SD)	22.0 (19.0)	47.2 (24.5)	30.3 (24.1)
Range	0.0 − 95.0	0.0 − 120.0	0.0 − 120.0
CRP				<0.001^b
Mean (SD)	4.3 (4.4)	6.8 (6.0)	5.0 (5.0)
Range	0.0 − 21.0	0.0 − 21.0	0.0 − 21.0
DAS28				<0.001^b
Mean (SD)	2.0 (0.7)	4.3 (0.8)	2.8 (1.3)
Range	0.0 − 3.2	3.2 − 7.8	0.0 − 7.8
SDAI				<0.001^b
Mean (SD)	6.0 (4.8)	13.7 (4.8)	7.2 (5.5)
Range	0.0 − 21.0	2.0 − 21.0	0.0 − 21.0
CDAI				<0.001^b
Mean (SD)	2.1 (4.2)	17.1 (11.4)	6.9 (10.1)
Range	0.0 − 33.0	0.0 − 73.0	0.0 − 73.0
HAQ				<0.001^b
Mean (SD)	0.9 (0.6)	1.1 (0.7)	1.0 (0.7)
Range	0.1 − 3.0	0.1 − 3.0	0.1 − 3.0
Patient's global assessment				<0.001^b
Mean (SD)	0.8 (1.7)	3.9 (2.6)	1.8 (2.5)
Range	0.0 − 10.0	0.0 − 10.0	0.0 − 10.0
Physician's global assessment				<0.001^b
Mean (SD)	0.5 (1.2)	2.9 (2.3)	1.3 (1.9)
Range	0.0 − 10.0	0.0 − 10.0	0.0 − 10.0
RF				0.001^a
Positive	926.0 (75.5%)	478.0 (82.1%)	1, 404.0 (77.6%)
ANTI CCP				0.182^a
Positive	700.0 (66.2%)	344.0 (69.6%)	1, 044.0 (67.3%)
ANA				<0.001^a
Positive	294.0 (28.1%)	177.0 (37.0%)	471.0 (30.9%)
OnDMARD				0.049^a
Yes	1, 098.0 (82.7%)	500.0 (79.0%)	1, 598.0 (81.5%)

^aPearson's Chi-squared test, ^bLinear Model ANOVA/t-test.