Investigation of obstructive sleep apnoea syndrome prevalence among long-distance drivers from Zonguldak, Turkey

Table 2 Comparison of OSAS-related parameters in study participants

	OSAS (+) in PSG	OSAS (−) in PSG	Negative symptoms at questionnaire	p	Intergroup comparison
					p^ς	p^δ	p^з
	n = 34	N = 8	n = 199
Age	51 (43–54)	45 (39–50)	40 (33–47)	<0.001	NS	<0.05	NS
Accident/year ratio	0 (0–0.07)	0 (0–0.39)	0 (0–0)	0.003	NS	<0.05	NS
BMI	30 (28–32)	29.2 (28–30)	27 (24–29)	<0.001	NS	<0.05	<0.05
Waist/hip ratio	0.96 (0.91-1.02)	0.91 (0.90-0.92)	0.89 (0.87-0.92)	<0.001	NS	<0.05	NS
Neck circumference	43 (42–45)	41 (39–42)	39 (37–41)	<0.001	NS	<0.05	NS
VAS	7.5 (5–9)	6 (4–8)	1 (0–2)	<0.001	NS	<0.05	<0.05
ESS	7.5 (4–11)	4.5 (3–9)	2 (1–3)	<0.001	NS	<0.05	<0.05

^ςRepresents comparison with OSAS (+) vs. OSAS (−) subjects in PSG; ^δ represents comparison with OSAS (+) subjects in PSG vs. subjects with negative symptoms at questionnaire;^з represents comparison with OSAS (−) subjects in PSG vs. subjects with negative symptoms at questionnaire. Intergroup comparison was made with Bonferroni correction.

ISSN: 2049-6958