Table 2 Patient demographics, cancer etiology, and stricture morphology (N = 113)
Characteristic | N (%) |
|---|---|
Age, years | |
Mean ± standard deviation (range) | 68.8 ± 12.2 (33–93) |
Gender | |
Male | 73 (64.6) |
Female | 40 (35.4) |
Race/Ethnicity | |
White | 97 (85.8) |
Black or African American | 9 (8.0) |
Hispanic or Latino | 6 (5.3) |
Asian | 1 (0.9) |
Tumor type | |
Pancreatic cancer | 79 (69.9) |
Cholangiocarcinoma | 13 (11.5) |
Gallbladder cancer | 2 (1.8) |
Gastric cancer | 2 (1.8) |
Ampullary carcinoma | 1 (0.9) |
Duodenal carcinoma | 1 (0.9) |
Othera | 15 (13.3) |
Total bilirubin (mg/dL)b | |
Mean ± standard deviation (N, range) | 8.3 ± 7.8 (102, 0.1–37.5) |
Stricture morphology | |
Stricture location | |
Extrahepatic | 104 (92.0) |
Intrahepatic | 4 (3.5) |
Both intrahepatic and extrahepatic | 5 (4.4) |
Stricture length (cm) | |
Mean ± standard deviation (range) | 2.3 ± 1.2 (0.8–8.0) |
TNM Stagec | |
T1 | 0/105 (0.0) |
T2 | 10/105 (9.5) |
T3 | 64/105 (61.0) |
T4 | 31/105 (29.5) |
N0 | 33/103 (32.0) |
N1 | 54/103 (52.4) |
N2 | 10/103 (9.7) |
N3 | 6/103 (5.8) |
M0 | 57/100 (57.0) |
M1 | 43/100 (43.0) |