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Table 2 Staging characteristics of studies comparing survival outcomes between Surgery and Radiotherapy

From: Treatment of early stage Supraglottic squamous cell carcinoma: meta-analysis comparing primary surgery versus primary 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
  1. RT Radiotherapy, OPS Organ Preservation Surgery, ND Neck Dissection
  2. aT1 and T2 reported together, bAll OPS patients received ND, 7 patients received post-operative RT, cPatients received post-operative RT, dOnly Aryepiglottic fold