Prevalence of high risk obstructive sleep apnoea by Berlin questionnaire in patients with hypertension: study from a tertiary care hospital

Table 2 Descriptive statistical analysis of various anthropometric parameters in study patients

Parameter		Low Risk	High Risk	Total	P-value
Sex
Male	Count	201	52	253	0.05
Male	% within Berlin category	52.3%	43.3%	50.2%
Female	Count	183	68	251
Female	% within Berlin category	47.7%	56.7%	49.8%
BMI
< 30 kg/m²	Count	327	75	402	0.001
< 30 kg/m²	% within Berlin category	85.1%	19.5%	79.8%
≥ 30 kg/m²	Count	57	45	102
≥ 30 kg/m²	% within Berlin category	14.8%	37.5%	20.2%
Neck Circumference^a
Normal	Count	134	14	148	0.001
Normal	% within Berlin category	34.9%	11.7%	29.4%
Abnormal	Count	250	106	356
Abnormal	% within Berlin category	65.1%	88.3%	70.6%
Waist Circumference^b
Normal	Count	104	12	116	0.001
Normal	% within Berlin category	27.1%	10.0%	23.0%
Abnormal	Count	280	108	388
Abnormal	% within Berlin category	72.9%	90.0%	77.0%
WHR^c
Normal	Count	18	3	21	0.295
Normal	% within Berlin category	4.7%	2.5%	4.2%
Abnormal	Count	366	117	483
Abnormal	% within Berlin category	95.3%	97.5%	95.8%

^a The cut-off for neck circumference of male and female were taken as 35.5 and 32 cm respectively
^b The WHO standards put cut-off for waist circumference for male and female at 94 and 80 cm respectively
^c A normal waist-to hip ratio is taken as 0.88 and 0.81 for male and female respectively

ISSN: 2398-2683