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Table 2 Clinical outcome following image-guided radiotherapy of the control group and the study group

From: Feasibility of image-guided radiotherapy based on helical tomotherapy to reduce contralateral parotid dose in head and neck cancer

 

Study (23)

Historical control (29)

Lost for follow-up

1

0

Follow-up (months)

    Median

20

31

    Range

1–39

1–48

    Alive

14 (63.6%)

21 (72.4%)

Local recurrences

5 (22.7%)

5 (17.2%)

Regional recurrences

2 (9%)

2 (6.9%)

Distant metastases

2 (9%)

4 (13.8%)

Death during treatment

2 (1 aspiration pneumonia, 1 disease progression)

0