Table 4.

Publication bias.

Egger's publication test	P value
Response rate	0.035
Disease control rate	0.455
KPS	0.046
Decline of leucocyte count	0.448
Anemia	0.182
Decline of platelet count	0.029
Nausea and vomiting	0.159
Hepatic dysfunction	0.023
Alopecia	0.285
Overall survival	0.083