Long term cerebral and vascular complications after irradiation of the neck in head and neck cancer patients: a prospective cohort study: study rationale and protocol

Table 2 Patient and treatment related characteristics at baseline and FU

Characteristic	n = 65
Demografics
Male (%)	60
Age at baseline, years (mean, SD)	54.3 (13.3)
Follow-up post RT, years (mean, SD)	6.7 (1.2)
Age at FU, years (mean, SD)	61.2 (13.4)
Cancer diagnosis (%)
Larynxcarcinoma	45
Parotidcarcinoma	14
Pleiomorphic parotid adenoma	15
Nasopharynxcarcinoma	2
Oropharynxcarcinoma	17
Hypopharynxcarcinoma	2
Lymphoma	6
Radiotherapy (%)
Bilateral	63
Unilateral	37
CV risk factors at baseline (%)
Smoking
Current smoker or stopped < 3 years ago	51
Former smoker or stopped > 3 years ago	23
Never smoked	25
Hypertension	26
Diabetes mellitus	5
Hypercholesterolemia	9
Obesity	8
Number CV risk factors at baseline‡ (%)
0	32
1	43
≥2	25
CV risk factors at FU (%)
Smoking
Current smoker or stopped < 3 years ago	22
Former smoker or stopped > 3 years ago	59
Never smoked	20
Hypertension	69
Diabetes mellitus	11
Hypercholesterolemia	39
Obesity	12
Migraine	11
Family history of CV diseases	20
Vascular diseases in the past (%)
Angina Pectoris	5
Atrial Fibrillation	11
Acute Myocardial Infarction	3
Peripheral arterial disease	2
Weight circumference, cm (mean, SD)	95.5 (16.6)
*Number CV risk factors at FU (%)**
0	9
1	28
≥2	63

‡Cerebrovascular (CV) risk factors at baseline consists of hypertension diabetes, hypercholostrolemia, overweight and current smoking.
*Cerebrovascular (CV) risk factors at FU consists of hypertension, diabetes, hypercholesterolemia, overweight, current smoking, migraine, family history of vascular disease and Atrial Fibrillation (AF). NA = Not Answered.

ISSN: 1471-2377