Table 3. Association of ThinPrep Bronchial Brushing Cytology with Lung Cancer Histology.
| Histological Diagnosis (No. of Cases) | |||||||||
| Positive | Negative | Total | SEN (%) | SPE (%) | PPV (%) | NPV (%) | MCC | ||
| LC | Positive | 417 | 43 | 460 | 87.05 | 62.93 | 90.65 | 54.07 | 0.473 |
| Negative | 62 | 73 | 135 | ||||||
| Total | 479 | 116 | 595 | ||||||
| SSC | Positive | 195 | 37 | 232 | 87.44 | 90.05 | 84.05 | 92.29 | 0.820 |
| Negative | 28 | 335 | 363 | ||||||
| Total | 223 | 372 | 595 | ||||||
| ADC | Positive | 47 | 47 | 94 | 61.04 | 90.93 | 50.00 | 94.01 | 0.464 |
| Negative | 30 | 471 | 501 | ||||||
| Total | 77 | 518 | 595 | ||||||
| SCLC | Positive | 94 | 14 | 108 | 61.84 | 96.84 | 87.04 | 88.09 | 0.664 |
| Negative | 58 | 429 | 487 | ||||||
| Total | 152 | 443 | 595 | ||||||
Note: LC, lung cancer; SCC, squamous cell carcinoma; ADC, adenocarcinoma; SCLC, small cell lung carcinoma; SEN, sensitivity; SPE, specificity; PPV, positive predictive value; NPV, negative predictive value; MCC, Matthews correlation coefficient.