Research Article
Characteristics of Chronic Pain among Head and Neck Cancer Patients Treated with Radiation Therapy: A Retrospective Study
Table 2
Demographic and clinicopathologic factors (continuous variables).
| Variable | n | Mean | Std. error | Median | Std. dev. | Min. | Max. |
| Age at diagnosis | 53 | 61.23 | 1.73 | 59.00 | 12.62 | 40.00 | 91.00 | XRT dose | 53 | 6063.34 | 201.30 | 6600.00 | 1465.47 | 600.00 | 7000.00 | XRT duration | 53 | 43.04 | 1.77 | 45.00 | 12.85 | 4.00 | 75.00 | Number of sites of pain | 53.00 | 1.21 | 0.19 | 1.00 | 1.38 | 0.00 | 6.00 |
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