Table 4 Comparison of VEGF levels among different clinical stages, pathological types and size of differentiated thyroid cancer
|  | Mean± SD | P |
|---|---|---|
Sex | ||
 Male | 1197.43± 247.76 | P = 0.66 |
 Female | 1223.69 ±217.92 | |
Clinical Stage | ||
 I | 1095.1± 21.53 | P = 0.001 |
 II | 1307.7 ±219.44 | |
 III | 1302.3 ±80.15 | |
Pathological Types | ||
 Papillary | 1206.46 ±225.68 | P = 0.16 |
 Follicular | 1370.0± 187.79 | |
Size of the tumor | 1241.62± 207.22 | P = 0.75 |
1195.5± 238.53 | ||
1227.79± 230.98 | ||