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. 2021 Sep 25;21:353. doi: 10.1186/s12876-021-01930-2

Table 2.

PSC patients and controls enrolled in the previous protocol (IRB #670-02)

Variable PSC patients Controls
n 1174 650
Age (yrs)a, median (IQR) 51.6 (36.6–61.6) 61.3 (53.9–68.1)
Sex, n (%) male 733 (62.4) 177 (27.2)
Race, n (%) Caucasian 1087 (92.6) 646 (99.4)
Available Specimens, n (%) of participants [total # of aliquots]
Genomic DNA / BC 1166 (99.3) [3,316] 624 (96.0) [1,723]
Plasma 1117 (95.1) [5,821] 635 (97.7) [2,100]
Serum 719 (61.2) [1,705] 540 (83.1) [1,229]
PBMC 1091 (92.9) [2,743] 607 (93.4) [1,120]
Stool 95 (8.1) [185] not collected
Age at PSC dx (yrs), median (IQR) 40.6 (29.0-52.1) na
PSC duration (yrs)a, median (IQR) 6.2 (2.3–12.9) na
IBD Type, n (%) of patients
Ulcerative colitis 728 (62.4) na
Crohn’s Disease 119 (10.2)
Indeterminate IBD 54 (4.6)
No IBD 266 (22.8)
Status unknown 7
Clinical follow-upb, n (%) of patients
None 564 (48.0) na
0–3 Years 180 (15.3)
3–6 Years 207 (17.6)
6 + Years 223 (19.0)
Liver Transplant, n (%) of patients
Prior to enrollment 243 (20.7) na
In follow-up 74 (6.3)
No transplant 857 (73.0)
Advanced Diseasec, n (%) of patients
Prior to enrollment 366 (31.2) na
In follow-up 107 (9.1)
No advanced disease 701 (59.7)
Hepatobiliary Cancerd, n (%) of patients
Prior to enrollment 76 (6.5) na
In follow-up 50 (4.3)
No hepatobiliary cancer 1048 (89.3)

na, not applicable; BC, buffy coat; PBMC, peripheral blood mononuclear cells; IBD, inflammatory bowel disease

aAt time of blood sample collection

bClinical follow-up post first blood sample collection performed under IRB#670-02

cAdvanced disease defined as having one or more of the following: liver transplant, cirrhosis determination or hepatic decompensation event

dHepatobiliary cancer defined as having one or more of the following: cholangiocarcinoma, hepatocellular carcinoma or gallbladder cancer