Table 1.
Clinical information for all pancreatic masses and inter-group comparisons of lesion and procedural variables between CNB method groups and between mass locations within the pancreas
| Variable | All masses (N = 220) | CNB method | Mass location | ||||
|---|---|---|---|---|---|---|---|
| Coaxial | Non-coaxial | P | Head | Body/tail | P | ||
| Lesion characteristics, cm | |||||||
| Long axis | 5.07 ± 1.69 | 4.89 ± 1.11 | 5.26 ± 2.13 | 0.11 | 4.8 ± 1.15 | 5.0 ± 1.02 | 0.46 |
| Short axis | 3.25 ± 1.06 | 3.12 ± 1.13 | 3.38 ± 0.95 | 0.70 | 3.0 ± 1.10 | 3.3 ± 1.18 | 0.23 |
| Depth | 8.47 ± 1.62 | 8.64 ± 1.75 | 8.29 ± 1.42 | 0.11 | 9.10 ± 1.67 | 7.76 ± 1.55 | <0 .0001 |
| Puncture needles, n | 2.46 ± 0.65 | 2.5 ± 0.66 | 2.4 ± 0.63 | 0.38 | 2.56 ± 0.73 | 2.38 ± .48 | 0.14 |
| Procedure time, min | 12.66 ± 6.11 | 8.9 ± 3.27 | 16.8 ± 5.77 | < 0.001 | 9.39 ± 3.52 | 8.00 ± 2.55 | 0.02 |
| Satisfactory samples | 95.5% | 98.3 | 92.3 | 0.048 | 100 | 95 | 0.11 |
| Complications | 5.9% | 2.6 | 9.6 | 0.04 | 0 | 7.5 | 0.074 |
| Diagnostic efficiency | 93.6% | 95.7% | 91.3% | 0.29 | 98.7 | 90 | 0.047 |
Means are reported with SDs