Table 3.
The univariate analysis of prognostic factors associated with the accuracy of biliary brush cytology
| Final outcome |
p | ||
|---|---|---|---|
| wrong | correct | ||
| Sex | 0.445 | ||
| Female | 11 (26.8) | 30 (73.2) | |
| Male | 7 (19.4) | 29 (80.6) | |
| Mean age ± SD, years | 74.7±13.2 | 66.3±14.1 | 0.029* |
| Type of lesion | 0.103 | ||
| Ampulla | 1 (100) | 0 (0) | |
| Cholangiocarcinoma | 6 (30) | 14 (70) | |
| Pancreatic cancer | 9 (31) | 20 (69) | |
| Metastasis | 2 (33.3) | 4 (66.7) | |
| Chronic cholecystitis | 0 (0) | 3 (100) | |
| Chronic pancreatitis | 0 (0) | 6 (100) | |
| Idiopathic | 0 (0) | 11 (100) | |
| IgG4 cholangitis | 0 (0) | 1 (100) | |
| Gross appearance | 0.793 | ||
| Compressive | 11 (24.4) | 34 (75.6) | |
| Noncompressive | 7 (21.9) | 25 (78.1) | |
| Lesion location | 0.231 | ||
| Intrahepatic | 2 (50) | 2 (50) | |
| Extrahepatic | 16 (21.9) | 57 (78.1) | |
| Method | |||
| A | 9 (34.6) | 17 (65.4) | 0.153 |
| B | 9 (17.3) | 42 (82.7) | |
Values are n (%) unless otherwise indicated. SD, standard deviation.
Statistically significant.