Table 2.

Staging characteristics of studies comparing survival outcomes between Surgery and Radiotherapy

Study	RT		OPS +/− ND
	T1	T2	T1	T2
Arshad 2014 [7]	1043	1235	92	75
Jones 2004a [10]	90		41
Orus 2000b [12]	27	63	11	14
Santos 1998c [13]	3	6	3	6
Sessions 2005 [14]	5	5	90	102
Spector 1995d [15]	4	1	1	2
Spriano 1997a [16]	91		66

RT Radiotherapy, OPS Organ Preservation Surgery, ND Neck Dissection

^aT1 and T2 reported together, ^bAll OPS patients received ND, 7 patients received post-operative RT, ^cPatients received post-operative RT, ^dOnly Aryepiglottic fold