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. Author manuscript; available in PMC: 2012 Oct 29.
Published in final edited form as: Head Neck. 2010 Apr;32(4):481–489. doi: 10.1002/hed.21209

Table 2.

Demographics by participant type.

Age, y (SD; range) Stage
I or II III or IV
Age-matched controls 60.2 (13.5; 42–79)
Patients with cancer 59.4 (9.5; 44–78) N = 11 N = 9
 SURG-XRT 61.3 (8.0; 49–74) n = 7 n = 4
 CHEMO-XRT 57.1 (11.1; 44–78) n = 4 n = 5

Abbreviations: SURG-XRT, patients previously treated with surgery and radiation therapy; CHEMO-XRT, patients previously treated with chemotherapy and radiation therapy.