Salvage transoral laser microsurgery for early local recurrence of glottic squamous cell cancer

Table 1 Demographical and clinical data of the patients with recurrent glottic squamous cell cancer by treatment group

Variables	TLM (n = 55)	OPL (n = 40)	P value
Age of recurrence, y^†			0.773
Mean ± SD	61.11 ± 9.49	61.65 ± 8.24
Range	39–81	41–75
Sex, male (%)^‡	53 (96.4)	39 (97.5)	1.0
Smoking (%)^§	32 (58.2)	23 (57.5)	0.947
Drinking (%)^§	29 (52.7)	15 (37.5)	0.142
Initial treatment modality^‡			0.679
RT alone	6 (10.9)	5 (12.5)
TLM	47 (85.5)	35 (87.5)
OPL	2 (3.6)	0 (0)
rT stage of recurrence^‡			0.082
rTis	2 (3.6)	0
rT1a	20 (36.4)	10 (25)
rT1b	25 (45.5)	16 (40)
rT2	8 (14.5)	14 (35)
Anterior commissure invaded of recurrence (%)^§	24 (43.6)	20 (50)	0.677

Data are presented as number, mean ± standard deviation, or number (percentage)
TLM Transoral laser microsurgery, OPL Open partial laryngectomy, RT radiation therapy, TNM tumor-node-metastasis staging (American Joint Committee on Cancer, 8th edition)
^†P value based on Student's t test
^‡P values are based on Fisher’s exact probability
^§P values are based on chi-square test

ISSN: 1916-0216