Identification by Primary Care Clinicians of Patients with Obstructive Sleep Apnea: A practice-based research network (PBRN) study

Article Figures & Data

Table 1.

Types of Data and Sample Sizes by Network

Network	PCC Interviews	Consultant Interviews	Chart Audits (OSA)	Chart Audits (Patients >65 Years Old)	Surveys (Patients 30–64 Years Old)	Surveys (Patients >65 Years Old)
OKPRN	9	6	128	226	316	255
APBRN	9	9	217	225	544	283
LANet	9	1	32	222	327	65
CCPC	9	1	191	208	170	131
SoFlaPBRN	8	1	121	140	0	0
Total	44	18	725	1.019	1,357	734

PCC, primary care clinician; OSA, obstructive sleep apnea; OKPRN, Oklahoma Physicians Resource/Research Network; APBRN, Alabama Practice-Based Research Network; LANet, Los Angeles Network; CCPC, Connecticut Center for Primary Care; SoFlaPBRN, South Florida Practice-Based Research Network.

Table 2.

Characteristics of Participating Primary Care Clinicians and Their Practices

Network	Discipline		Patient Care FTE (Mean %)	Patients Seen Per Week (Mean)	Location of Practice^*
Network	FM (%)	GIM (%)	Patient Care FTE (Mean %)	Patients Seen Per Week (Mean)	Rural (%)	Suburban (%)	Urban (%)
OKPRN	100	0	91	78	33	33	33
APBRN	100	0	94	115	56	44	0
LANet	100	0	100	104	0	33	67
CCPC	67	33	100	83	0	78	22
SoFlaPBRN	100	0	94	NA	0	63	47
All (Mean)	93	7	96	95	18	52	30

FM, family medicine; GIM, general internal medicine; FTE, full-time equivalent; OKPRN, Oklahoma Physicians Resource/Research Network; APBRN, Alabama Practice-Based Research Network; LANet, Los Angeles Network; CCPC, Connecticut Center for Primary Care; SoFlaPBRN, South Florida Practice-Based Research Network; NA, not available.
↵* Location of practice specified by practice based on predominant source of patients. Suburban refers to any location not considered rural or urban.

Table 3.

Proportions of Patients with Selected Sleep Symptoms Recorded in Their Medical Record

Symptoms	Patients Aged ≥65 Years, without OSA (n = 1,019)	Adult Patients with OSA before Diagnosis (n = 725)
Snoring	40 (4)	418 (58)
Apneic episodes	7 (1)	196 (27)
Unintentional sleep episodes	18 (2)	39 (5)
Daytime sleepiness	26 (3)	289 (40)
No sleep symptoms documented	743 (73)	129 (18)

Table 4.

Proportions of Patients with Sleep-Related Symptoms from Patient Surveys

Symptoms	Patients without OSA		Patient with OSA
Symptoms	30–64 Years (n = 1124)	≥65 Years (n = 630)	30–64 Years (n = 130)	≥65 Years (n = 46)
Snoring	643 (57)	291 (46)	113 (87)	33 (72)
Apnea	140 (12)	55 (9)	96 (74)	29 (63)
Falling asleep while driving	188 (17)	61 (10)	43 (33)	8 (17)
Daytime tiredness (>weekly)	734 (65)	310 (49)	113 (87)	29 (63)