Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 21, 2013; 19(31): 5131-5137
Published online Aug 21, 2013. doi: 10.3748/wjg.v19.i31.5131
Table 1 Baseline characteristics of the study population
CharacteristicCohort representation
Sex, female/male294/28
Age (yr)53 ± 12
Duration of disease (yr)5.8 ± 3.5
Mayo risk score4.5 ± 1.1
Positive ANA275/316 (87.0)
Positive AMA290/319 (90.9)
Positive AMA-M2262/290 (90.3)
Titers of AMA-M2 (IU/mL)139.6 ± 107.9
Liver biopsy72 (22.4)
Table 2 Inter-study comparison of patterns of connective tissue diseases in primary biliary cirrhosis patients n (%)
Wang et alChinaWatt et al[16]United KingdomMarasini et al[17]Italy
PBC322160170
CTDs in PBC150 (46.6)84 (53.0)62 (36.5)
PBC + SS121 (37.6)40 (25.0)a6 (3.5)a
PBC + SSc9 (2.8)12 (8.0)a21 (12.3)a
PBC + SLE12 (3.7)2 (1.3)3 (1.8)
PBC + RA9 (2.8)27 (17.0)a3 (1.8)
PBC + PM10 (3.1)0 (0.0)1 (0.6)
PBC + MCTD0 (0.0)0 (0.0)1 (0.6)
Table 3 Clinical features and laboratory results of patients with primary biliary cirrhosis alone and patients with primary biliary cirrhosis plus one other connective tissue diseases
PBC (n =172)PBC + SS (n =121)PBC + SSc (n = 9)PBC + SLE (n =12)PBC + RA (n = 9)PBC + PM (n = 10)
Female/male153/19112/99/012/07/27/3
Age (yr)53 ± 1153 ± 1251 ± 61  50 ± 9159 ± 12153 ± 81
Fever11 (6.4)19 (15.7)a0 (0)3 (25.0)1 (11.1)1 (10.0)
RP32 (18.6)23 (19.0)4 (44.4)5 (41.7)0 (0)0 (0)
Arthralgia37 (21.5)31 (25.6)2 (22.2)4 (33.3)9 (100)a1 (10)
ILD13 (7.6)27 (22.3)a3 (33.3)a0 (0)1 (11.1)2 (20)
PAH11 (6.4)13 (10.7)2 (22.2)1 (8.3)0 (0)0 (0)
Cardiac5 (2.9)3 (2.5)0 (0)0 (0)0 (0)4 (40.0)a
Renal9 (5.2)8 (6.6)1 (11.1)4 (33.3)a0 (0)0 (0)
WBC (109/L)5.7 ± 2.65.0 ± 2.95.7 ± 2.814.0 ± 1.11a5.7 ± 2.417.9 ± 3.41a
Hb (g/L)126 ± 20118 ± 18120 ± 231102 ± 201a110 ± 111a127 ± 161
PLT (109/L)189 ± 82135 ± 69190 ± 10396 ± 75a247 ± 142206 ± 91
ALT (U/L)79 ± 7691± 7576 ± 62169 ± 72156 ± 46173 ± 561
AST (U/L)76± 6290 ± 6496 ± 41169 ± 55179 ± 52173 ± 331
ALP (U/L)250 ± 221287 ± 224291 ± 1661173 ± 981487 ± 4111a153 ± 981
γ-GT (U/L)320 ± 340309 ± 290344 ± 3461207 ± 1531a239 ± 1661264 ± 2751
IgG (g/L)17.1 ± 6.221.0 ± 12.4a17.3 ± 5.8115.8 ± 5.2122.2 ± 5.11a16.4 ± 4.41
IgM (g/L)4.5 ± 4.74.3 ± 3.93.4 ± 1.811.9 ± 1.21a4.2 ± 3.615.4 ± 3.11
ESR (mm/1h)41 ± 2857 ± 38a47 ± 34147 ± 25176 ± 301a48 ± 201
RF+31/156 (19.9)92/120 (76.7)a4/8 (50.0)5/11 (45.5)9/9 (100)a4/10 (40.0)
ANA142/169 (84.0)111/119 (93.3)9/9 (100)12/12 (100)8/9 (88.9)10/10 (100)
AMA153/171 (89.5)109/120 (90.8)8/9 (88.9)11/12 (91.7)8/9 (88.9)10/10 (100)
AMA- M2 (IU/mL)147± 125130 ± 105119 ± 1151160 ± 1161139 ± 1181172 ± 1381