Nurse-led intensive interventions improve adherence to continuous positive airway pressure therapy and quality of life in obstructive sleep apnea patients

Figures & data

Figure 1 Flowchart of the trial.

Note: Nurse-led intensive interventions improve adherence to continuous positive airway pressure therapy and quality of life in obstructive sleep apnea patients.

Table 1 Patients’ baseline characteristics

Variables	Intensive support group	Standard support group	P-value
Age, years	50.2±10.1	50.6±11.2	0.89
Sex
Male	29	28
Female	11	12	0.65
Education	15.2±5.3	14.9±5.5	0.74
Occupation
Blue collar	15	16
White collar	20	21
Others	5	3	0.60
BMI, kg/m^2	33±2	32±3	0.91
AHI/hour	55±4	54±4	0.84
Quality of life
SF-36 mental	41±3	42±4	0.65
SF-36 physical	39±4	38±3	0.78
Mood	4.25±1.2	4.17±1.1	0.84
Epworth	13±1	13±1	1
Symptoms	22±2	23±2	0.92

Note: Data are presented as mean ± standard deviation.

Abbreviations: BMI, body mass index; AHI, Apnea–Hypopnea Index; SF-36, Short Form-36.

Figure 2 Patient compliance in the intervention and control groups.

Abbreviation: CPAP, continuous positive airway pressure.

Table 2 Improvement of cognitive function and Epworth sleepiness scale (ESS) from baseline on continuous positive airway pressure (CPAP)

Variables	Intervention group		Control group		P-value
	Mean	SD	Mean	SD
From baseline at 1 month
CPAP usage	6.32	1.25	4.35	1.71	*
Quality of life
SF-36 mental	52	4	44	4	*
SF-36 physical	49	5	41	4	*
Sleepiness	11.50	1.00	12.00	1.00	NS
Symptoms	21.00	2.00	22.00	2.00	NS
Mood	5.36	1.54	4.56	1.35	*
From baseline at 3 months
CPAP usage	6.41	1.30	4.20	1.20	**
Quality of life
SF-36 mental	54	6	46	4	*
SF-36 physical	50	5	43	5	*
Sleepiness	10.30	1.35	11.20	1.65	NS
Symptoms	15.00	1.00	18.00	1.00	NS
Mood	6.35	1.25	4.05	1.25	**
From baseline at 6 months
CPAP usage	6.31	1.81	4.31	1.25	**
Quality of life
SF-36 mental	58	5	50	6	*
SF-36 physical	54	5	46	7	*
Sleepiness	5.36	1.35	6.35	1.25	NS
Symptoms	10.00	1.00	15.00	1.00	**
Mood	6.75	1.48	4.21	1.40	**
From baseline at 12 months
CPAP usage	6.67	1.36	4.02	1.23	**
Quality of life
SF-36 mental	62	6	52	5	**
SF-36 physical	62	7	51	6	**
Sleepiness	4.87	1.50	5.36	1.45	NS
Symptoms	7.00	1.00	11.00	1.00	**
Mood	6.50	1.60	4.00	1.54	**

Notes:

* P<0.05;

** P<0.01.

Abbreviations: SD, standard deviation; SF-36, Short Form-36; NS, not significant.

Figure 3 Scores in the SF-36 questionnaire in the intervention and control groups during treatment.

Abbreviation: SF-36, Short Form-36.

Figure 4 Scores in the Epworth sleepiness scale in the intervention and control groups during treatment.

Figure 5 Scores of the symptoms in the intervention and control groups during treatment.

Figure 6 Scores of mood in the intervention and control groups during treatment.