Head & Neck Oncology

Table 5 Age at 1^st OSCC and depth of invasion vs. cause of death

From: Clinicopathological parameters, recurrence, locoregional and distant metastasis in 115 T1-T2 oral squamous cell carcinoma patients

	Cause of death					Kruskal wallis p-values
	Alive at 5-years	Cardio-respiratory failure	Pneumonia	Regional met	Distant met
Age at 1st OSCC
Mean	58.73	85.20	83.83	67.70	55.82	<0.001
Std. Deviation	14.373	8.228	7.026	12.230	15.276
Std. Error	1.578	3.680	2.868	3.867	4.606
Lower Bound 95% CI	55.60	74.98	76.46	58.95	45.56
Upper Bound 95% CI	61.87	95.42	91.21	76.45	66.08
Minimum	20	73	73	49	34
Maximum	91	96	94	85	72
Depth of Invasion (mm)
Mean	4.837	4.000	6.300	8.620	9.545	<0.001
Std. Deviation	3.4516	1.6016	3.9085	3.8250	3.7377
Std. Error	0.3789	0.7162	1.5956	1.2096	1.1270
Lower Bound 95% CI	4.084	2.011	2.198	5.884	7.034
Upper Bound 95% CI	5.591	5.989	10.402	11.356	12.057
Minimum	1.0	2.5	3.2	5.5	3.3
Maximum	18.0	6.7	14.0	17.0	16.0

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