表 5.

B细胞与临床实验室指标之间的关系

Relationship between B cells reduction and clinical laboratory index

	Reduction group (n=10)	Normal group (n=22)	P
Abbreviations as in Table 3.
Age/years，x±s	56.00±12.61	48.09±13.57	0.129
Women，n(%)	10 (100)	21 (95.45)	1.000
Disease duration/years，M(P25, P75)	10.5 (1, 28)	4 (0.5, 20)	0.052
Raynaud‘s phenomenon，n(%)	10 (100)	16 (72.73)	0.142
Diffuse cutaneous changes，n(%)	10 (100)	15 (68.18)	0.069
fingertip ulcer，n(%)	5 (50)	2 (9.09)	0.019
Pulmonary interstitial fibrosis，n(%)	8 (80)	15 (68.18)	0.681
ANA，n(%)	8 (80.00)	21 (95.45)	0.224
Scl-70, n(%)	4 (40.00)	7 (31.82)	0.703
ESR/(mm/h), M(P25, P75)	21.00 (10.00, 26.00)	10.50 (7.50, 20.00)	0.092
CRP/(mg/L), M(P25, P75)	6.78 (0.97, 9.9)	2.50 (0.55, 5.19)	0.325
IgG/(g/L), M(P25, P75)	12.25 (10.15, 14.4)	11.70 (9.50, 15.70)	0.889
IgM/(g/L), M(P25, P75)	0.81 (0.52, 0.94)	0.87 (0.72, 1.18)	0.562
IgA/(g/L), x±s	2.79±1.74	1.91±1.12	0.092
C3/(g/L), x±s	0.90±0.21	0.86±0.20	0.639
C4/(g/L), x±s	0.21±0.07	0.19±0.08	0.491