Table 2 Outcome variables and predictors in the selected studies
Author/year | Outcome variables | Candidate predictors | Predictors in the final model | ||||
|---|---|---|---|---|---|---|---|
Time of assessment | Measurement method/definition | N | Variables | Time of assessment | N | Variables | |
Sico/2017 [23] | Within 30 days | PSG, AHI ≥ 5/h | 19 | Age, race, gender, height, weight, BMI, large neck circumference, waist circumference, medical history, smoking, cocaine use or used, Charlson comorbidity score, modified Rankin, PHQ-8, NIHSS score, ESS, BQ, SACS, STOP-BANG | No stated | 7 | Female, weight, large neck, congestive heart failure, diabetes, ESS, NIHSS |
Brown/2020 [25] | Within 14 days from stroke | HSAT, REI ≥ 10/h | 19 | Age, race, hypertension, sex, diabetes, atrial fibrillation, smoking, history of TIA/stroke, excessive alcohol consumption, congestive heart failure, coronary artery disease, hyper cholesterol, BMI, NIHSS, neck circumference, waist circumference, BQ, Friedman palate position | After stroke onset | 6 | Neck circumference, BMI, waist circumference, age, NIHSS, daytime sleepiness |
Boulos/2019 [29] | STOP-BAG (snoring, tired, observed, high blood pressure, BMI, age, neck circumference, gender) | After stroke diagnosis | 8 | STOP-BAG-O (snoring, tired observed, high blood pressure, BMI, age, neck circumference, gender, oximetry) | |||
Katzan/2016 [27] | STOP (snoring, tired, observed, high blood pressure), BMI, age, race, neck circumference, married status, sex, history of coronary artery disease, sleep time, smoking | No stated | 7 | STOP-BAG2- (STOP, sex, BMI, age) | |||
Bernardini/2021 [21] | No stated | PSG, AHI ≥ 5/h | No stated | No stated | No stated | ECG, peripheral oxygen saturation (SpO2) | |
Zhang/2019 [22] | No mentioned | PSG, AHI ≥ 10/h | 11 | Age, gender, BMI, neck circumference, smoking, alcohol consumption, medical history (hypertension, diabetes, AF, CHD, stroke, wake up stroke, progressive stroke, TIA, Ischemic stroke), NIHSS, homocysteine, CRP, hemoglobin A1c | With 1 week from stroke | 4 | Modified 4 V (sex, neck, blood pressure, snoring) |
Boulos/2016 [24] | 180 days after stroke | HSAT, AHI ≥ 10/h | 10 | 4 V (sex, BMI, blood pressure, and snoring), STOP-BAG (snoring, tired, observed, high blood pressure, BMI, age, gender), Berlin Questionnaire, and ESS, stroke location, atrial fibrillation, diabetes, smoking, hyperlipidemia, NIHSS | Within 72 h of sleep testing | 4 | 4 V (sex, BMI, blood pressure, snoring) |
Petrie/2021 [26] | 64 days after stroke | PSG, AHI ≥ 5/h | No fit | Not fit | After admission | / | / |
Šiarnik/2020 [31] | Within 7 days after the stroke onset | PSG, AHI ≥ 15/h | 12 | Age, gender, BMI, neck, past medical history (arterial hypertension, diabetes mellitus, ischemic heart disease, atrial fibrillation, heart failure, chronic kidney disease), NIHSS, ESS | Within 7 days from stroke onset | 3 | SLAPS (BMI, wake-up stroke onset, diastolic dysfunction in echocardiography) |
Camilo/2014 [28] | Within 24 h after stroke | PSG, AHI ≥ 10/h | 13 | Age, male, hypertension, diabetes, dyslipidemia, smoking, alcohol consumption, BMI, neck, BQ, CT, ESS, NIHSS | No stated | 2 | SOS score (BQ and ESS) |
Srijithesh/2011 [30] | 28 days after stroke onset | PSG, AHI ≥ 5/h | No stated | BQ | No stated | / | BQ and combination of ESS and BQ |