Table 2.

The correlation between miR-34a expression and clinical features from TCGA data

Clinicopathological features	Terms	n	Mean ± SD	p-value
Unpaired tissue	Normal	44	6.86±0.73	0.367
	HNSCC	485	6.74±0.82
Gender	Male	381	6.79±0.81	0.120
	Female	148	6.67±0.81
Age	<60	224	6.79±0.80	0.448
	≥60	304	6.73±0.82
Lymphovascular invasion	No	236	6.73±0.81	0.976
	Yes	119	6.73±0.71
Pathologic grade	G1-G2	368	6.82±0.81	0.013
	G3-G4	139	6.62±0.82
Clinical grade	I-II	126	6.79±0.81	0.620
	III-IV	389	6.75±0.81
T stage	T1-T2	189	6.72±0.81	0.434
	T3-T4	325	6.78±0.80
N stage	N0	253	6.80±0.78	0.319
	N1-N3	254	6.73±0.84
M stage	M0	504	6.77±0.80	0.260
	M1	4	6.31±1.18
Recurrence	No	329	6.72±0.79	0.093
	Yes	115	6.87±0.84
Alcohol	No	173	6.79±0.80	0.499
	Yes	345	6.73±0.82

Notes: HNSCC, Head and neck squamous cell carcinoma; T stage, size or direct extent of the primary tumor; N stage, degree of spread to regional lymph nodes; M stage, presence of distant metastasis; SD, standard deviation.