Table 4.

χ² test for presence of frailty and existing medical conditions.

Frailty	Existing Medical Conditions	χ2	p	φ
FRAIL Scale	Asthma	0.078	0.780	0.03
	COPD	7.27	0.007	0.26
	Cardiac arrhythmia	0.298	0.585	0.05
	Hypertension	0.153	0.695	0.04
	Heart insufficiency	0.245	0.621	0.05
	Myocardial infarction in medical history	1.38	0.240	0.12
	Coronary heart disease	0.030	0.863	0.02
	Diabetes type 1 and 2	1.76	0.183	0.13
G8	Asthma	0.012	0.912	0.01
	COPD	1.16	0.281	0.11
	Cardiac arrhythmia	0.309	0.578	0.05
	Hypertension	9.32	0.002	0.30
	Heart insufficiency	2.23	0.136	0.15
	Myocardial infarction in medical history	2.38	0.123	0.15
	Coronary heart disease	1.56	0.212	0.12
	Diabetes type 1 and 2	8.32	0.004	0.28

HNSCC: head and neck squamous cell carcinoma; COPD: chronic obstructive pulmonary disease.