Survival outcome of patients undergoing salvage surgery for hypopharyngeal cancer after failure of primary curative treatment: a retrospective study

The Egyptian Journal of Otolaryngology

Table 2 Analysis of survival outcomes of patients after curative radiotherapy

Group	Number	Median survival (months)	95% confidence interval	3-year survival rate	p-value
Complete remission	40	26	10.5, 41.5	42.5%	< 0.001*
Salvage surgery	15	19	11.4, 26.6	33.3%	0.006*
Salvage neck dissection alone	10	21	0, 48.9	50%	0.003*
Salvage primary tumor resection	5	14	10.8, 17.2	0%	0.518*
Inoperable tumor	19	12	7.8, 16.2	0%	-
ECOG performance status before radiotherapy
PS 0–1	60	20	13.7, 26.3	31.7%	< 0.001
PS 2	14	11	7.3, 14.7	0%
Major postoperative complications
No	11	21	0, 44.7	36.4%	0.192
Yes	4	14	6.2, 21.8	0%

^*The p-values were calculated from log-rank test models using patients with inoperable residual disease as the reference group