Table 2 Different levels of analysis of lymph nodes comparing pathology results and results of conventional CT and PET/CT in 54 patients treated with cystectomy for locally advanced bladder cancer
First level of analysis | ||||||
|---|---|---|---|---|---|---|
Patho pos | Patho neg | Sensitivity | Specificity | PPV | NPV | |
CT pos | 7 | 4 | 41 % | 89 % | 64 % | 77 % |
CT neg - | 10 | 33 | ||||
PET pos+ | 7 | 5 | 41 % | 86 % | 58 % | 76 % |
PET neg- | 10 | 32 | ||||
Second level of analysis | ||||||
Patho pos | Patho neg | Sensitivity | Specificity | PPV | NPV | |
CT pos | 7 | 10 | 13 % | 97 % | 41 % | 85 % |
CT neg | 48 | 282 | ||||
PET pos | 14 | 24 | 25 % | 92 % | 37 % | 87 % |
PET neg | 41 | 268 | ||||
Third level of analysis | ||||||
Patho pos | Patho neg | Sensitivity | Specificity | PPV | NPV | |
CT pos | 9 | 5 | 31 % | 94 % | 64 % | 79 % |
CT neg | 20 | 74 | ||||
PET pos | 11 | 14 | 38 % | 82 % | 44 % | 78 % |
PET neg | 18 | 65 | ||||