Table 2 Proportions of CTCs in each NPC clinical stage and their comparison
From: Circulating tumor cells: a valuable marker of poor prognosis for advanced nasopharyngeal carcinoma
Stage | I | II | III | IV |
|---|---|---|---|---|
CTCs count | ||||
= 0 | 2 | 9 | 54 | 169 |
= 1 | 0 | 0 | 10 | 42 |
= 2 | 0 | 0 | 3 | 13 |
= 3 | 0 | 0 | 0 | 12 |
> =4 | 0 | 0 | 3 | 52 |
Number of cases | ||||
Total number of cases | 2 | 9 | 70 | 288 |
P-value of Chi-square Test: | – | 0.011 | ||