The allogeneic umbilical cord mesenchymal stem cells regulate the function of T helper 17 cells from patients with rheumatoid arthritis in an in vitro co-culture system

Table 1 Baseline characteristics

Groups	DAS28 ≤ 3.2	3.2 < DAS28 ≤ 5.1	DAS28 > 5.1	Normal
	(n = 6)	(n = 6)	(n = 6)	(n = 6)
Age, mean ± SD years	38.2 ± 12.2			46.1 ± 11.6
Women, no.	15(3)			6(4)
Time duration from diagnosis to inclusion, months	28.2 ± 10.2	30.6 ± 8.2	16.2 ± 6.5	(−)
Combination therapy no.	6(1)	6(3)	6(6)	(−)
DAS₂₈, ^* mean ± SD	2.5 ± 0.5	3.6 ± 0.6	5.9 ± 0.7	(−)

^* DAS₂₈ = Disease Activity Score in 28 joints; See Patients and Methods for description of groups.

ISSN: 1471-2474