Table 2.

The association between clinical variables and daytime sleepiness.

Organs/comorbidity		N	M ± SD	d	t	p
Organs
Lungs	Yes	1086	10.5 ± 4.8	0.12	1.08	0.279
	No	111	9.9 ± 5.0
Skin	Yes	293	10.9 ± 4.9	0.13	1.85	0.065
	No	904	10.3 ± 4.8
Lymphatic nodes	Yes	249	11.0 ± 4.9	0.14	2.06	0.040
	No	948	10.3 ± 4.9
Eyes	Yes	191	10.4 ± 5.0	0.00	0.25	0.804
	No	1006	10.4 ± 4.8
Liver	Yes	141	11.1 ± 5.0	0.16	1.87	0.062
	No	1056	10.3 ± 4.8
Muscles	Yes	113	12.1 ± 5.1	0.37	3.87	<0.001
	No	1084	10.3 ± 4.8
Nerves	Yes	108	11.0 ± 5.3	0.12	1.29	0.196
	No	1089	10.4 ± 4.8
Bones	Yes	105	12.0 ± 5.2	0.34	3.39	0.001
	No	1092	10.3 ± 4.8
Heart	Yes	95	10.9 ± 4.8	0.10	1.08	0.281
	No	1102	10.4 ± 4.9
Kidneys	Yes	60	10.7 ± 5.2	0.06	0.49	0.622
	No	1037	10.4 ± 4.8
Number of organs	<3	813	10.1 ± 4.8	0.23	3.81	<0.001
	≥3	384	11.2 ± 4.9
Comorbidity
Arterial hypertensiona	Yes	452	10.6 ± 5.0	0.06	1.02	0.306
	No	738	10.3 ± 4.8
Disease of thyroid glanda	Yes	320	10.6 ± 5.0	0.06	0.99	0.323
	No	869	10.3 ± 4.8
Obesity (BMI ≥30)a	Yes	320	11.3 ± 5.0	0.24	3.87	<0.001
	No	875	10.1 ± 4.8
Restless legs syndromea	Yes	186	11.4 ± 5.2	0.24	3.00	0.003
	No	998	10.2 ± 4.8
Diabetes mellitusa	Yes	134	10.9 ± 5.2	0.10	1.26	0.209
	No	1060	10.4 ± 4.8
Sleep apneaa	Yes	104	13.1 ± 5.0	0.61	5.95	<0.001
	No	1084	10.1 ± 4.8
Pulmonary hypertensiona	Yes	38	10.9 ± 5.5	0.10	0.67	0.503
	No	1138	10.4 ± 4.8
Number of concomitant diseases	<3	1002	10.1 ± 4.8	0.40	4.30	<0.001
	≥3	195	12.1 ± 5.1
Time since diagnosis and therapy
Time since diagnosisa	≤10 y	625	10.7 ± 4.8	0.10	1.72	0.086
	>10 y	566	10.2 ± 5.0
Steroid therapy	Yes	542	10.8 ± 4.9	0.14	2.62	0.009
	No	655	10.1 ± 4.8

Note. d: effect size; t: t value of the t-test; p: significance; ^acase numbers not added to 1197 due to missing values.