Table 2.

Characteristics of head and neck squamous cell carcinoma (HNSCC) patients with curative-intent treatment.

	Number of Patients
	ALDH1 (−)	ALDH1 (+)	p-Value
Patients	118	109
Age
<55 (median)	56	49	0.71
≥55	62	60
Differentiation			0.38
Well differentiated	44	34
Moderately differentiated	39	40
Poorly differentiated	27	28
Unknown	8	7
Tumor stage			0.13
≤T2	65	49
T3–T4	53	60
Clinical LN involvement			0.016 *
Negative	54	33
Positive	64	76
Tx policy			0.42
Definite CCRT	35	34
Surgery +/− neoadjuvant/adjuvant Tx	83	75
Location			0.96
Oral cavity	72	77
Pharynx (Oro-Hypo)	36	32
NLR			<0.001 *
<3	89	19
≥3	29	90
Loco-regional recurrence			<0.001 *
Control	104	49
Failure	14	60
Distant metastasis			0.019 *
Negative	113	95
Positive	5	14
Status			<0.001 *
Alive	96	56
Dead	22	53

ALDH1. aldehyde dehydrogenase 1; *: Statistically significant covariate.