Figure 4From: Comparing treatment outcomes of different chemotherapy sequences during intensity modulated radiotherapy for advanced N-stage nasopharyngeal carcinoma patientsProgress-free survival rates of 198 advanced N-stage patients treated with different methods (RT:CCRT χ2 = 6.969, P = 0.008; RT:NACT + CCRT χ2 = 10.969, P = 0.001; RT:CCRT + AC χ2 = 4.376, P = 0.036; CCRT:NACT + CCRT χ2 = 0.481, P = 0.488; CCRT:CCRT + AC χ2 = 0.489, P = 0.484; NACT + CCRT: CCRT + AC χ2 = 0.182, P = 0.670).Back to article page