Primary surgery versus chemoradiotherapy for advanced oropharyngeal cancers: a longitudinal population study

Table 2 Kaplan-Meier disease specific and overall survival advanced (stage III/IV) OPSCC stratified based on treatment modality

Stage	Treatment	Disease specific survival (%)		Overall survival (%)
		2 year	5 year	2 year	5 year
III/IV	S-CRT	90.1	71.1	87.7	63.1
III/IV	S-RT	73.7	53.9	69.7	47.4
III/IV	CRT	57.4	48.6	51.7	39.8
III/IV	RT	39.3	23.2	33.3	21.1

OPSCC – oropharyngeal squamous cell carcinoma.
RT – radiotherapy.
CRT- combined chemotherapy and radiation therapy.
S-RT – surgical resection +/− reconstruction followed by adjuvant radiotherapy.
S-CRT – surgical resection +/− reconstruction followed by combined adjuvant chemotherapy and radiotherapy.

ISSN: 1916-0216