Table 2.

BAFF level by SSc types and clinical and laboratory findings

BAFF (pg/ml)	SSc		Diffuse SSc		Limited SSc
	Concentration	P*	Concentration	P*	Concentration	p**
ATA		0.02		0.01		NS
Present	2252.1 ± 899.7		2202.2 ± 822.7		2426.7 ± 1180.0
Absent	1475.5 ± 697.6		1104.5 ± 491.7		1772.3 ± 737.6
Digital tip ulcer		NS		NS		NS
Present	2440.3 ± 1033.0		2191.2 ± 736.4		3021.6 ± 1565.7
Absent	2004.4 ± 853.4		2029.7 ± 908.7		1946.9 ± 749.5
Telangiectasia		NS		NS		NS
Present	2142.1 ± 762.8		2117.6 ± 822.7		2203.4 ± 695.7
Absent	2080.4 ± 966.8		2041.1 ± 901.9		2166.8 ± 1144.4
ILD		0.01		0.03		NS
Present	1926.7 ± 757.9		1895.2 ± 783.2		1996.9 ± 728.6
Absent	2721.6 ± 1131.4		2671.4 ± 930.9		2838.7 ± 1769.6
PAH		NS		NS		NS
Present	2220.2 ± 849.1		2431.0 ± 860,6		1949.1 ± 813.9
Absent	2034.6 ± 936.0		1921.8 ± 842.4		2405.4 ± 1192.9
Urinalysis abnormality		NS		NS		NS
Present	1806.2 ± 661.2		1855.8 ± 857.6		1731.8 ± 271.2
Absent	2180.6 ± 949.4		2113.3 ± 876.7		2355.4 ± 1150.4
Difficulty swallowing		NS		NS		NS
Present	1982.9 ± 1062.1		1838.9 ± 1170.0		2486.9 ± 396.8
Absent	2127.4 ± 872.5		2128.3 ± 778.5		2125.6 ± 1081.3
Joint pain		NS		NS		NS
Present	2158.0 ± 901.7		2225.5 ± 953.8		1944.3 ± 745.0
Absent	2029.1 ± 918.6		1830.4 ± 685.2		2351.9 ± 1189.1
Muscular involvement		0.005		NS		0.04
Present	2741.9 ± 1039.9		2570.3 ± 924.8		3199.6 ± 1407.9
Absent	1897.2 ± 762.9		1896.6 ± 794.1		1898.4 ± 727.1
Severity [median (min-max)]***		NS		NS		NS
Mild	1532.0 (649-3012)		1536.7 (1178-3012)		1532.0 (650-2499)
Moderate	1897.1 (430-3564)		1764.7 (430-3564)		2665.1 92563-2767)
Severe	2279.1 (1201-4820)		2279.5 (1201-3735)		2242.7 (1204-4820)

^*t-test;

^**Mann-Whitney U test;

^***Kruskal-Wallis test. NS: not significant.