Table 4.
Diagnostic yield for histologic confirmation by needle type.
| Total (n = 69) | Trucut (n = 33) [95% CI] | Aspiration (n = 36) [95% CI] | P value | |
|---|---|---|---|---|
| Accuracy, % (n) | 79.7 (55/69) | 84.8 (28/33) [67.4-100] | 75.0 (27/36) [47.5-100] | 0.310 |
| Sensitivity, % (n) | 57.6 (19/33) | 66.7 (10/15) [64.8-100] | 50.0 (9/18) [39.9-100] | 0.335 |
| Specificity, % (n) | 100 (36/36) | 100 (18/18) [NA] | 100 (18/18) [NA] | — |
| PPV, % (n) | 100 (19/19) | 100 (10/10) [NA] | 100 (9/9) [NA] | — |
| NPV, %, (n) | 78.0 (36/50) | 78.3 (18/23) [64.5-100] | 66.7 (18/27) [46.7-100] | 0.363 |
CI: confidence interval; PPV: positive predictive value; NPV: negative predictive value, NA: not available.