Table 1

Baseline characteristics

TotalImplantable loop recorderLong-term continuous external monitorHolter monitorGlobal p value
N%N%N%N%
Cohort N48 901100923518.929 10359.510 56321.6
Age, years (mean, SD)69.911.969.611.469.812.070.512.0<0.001
Gender
 Female26 14853.5468850.815 72954.1573154.3<0.001
 Male22 75346.5454749.213 37446.0483245.7<0.001
Insurance type
 Commercial12 41725.4247726.8756726.0237322.5<0.001
 Medicare Advantage36 46974.6675473.221 52674.0818977.5<0.001
Index device year
 2016575911.88859.6293410.1194018.4<0.001
 2017765715.7131114.2420514.5214120.3<0.001
 2018920018.8185720.1524518.0209819.9<0.001
 201911 08122.7218923.7683423.5205819.5<0.001
 202010 61021.7197121.3715824.6148114.0<0.001
 202145949.4102211.127279.48458.0<0.001
Monitoring device placement setting
 Monitoring device placement date between a hospitalisation and discharge845117.3377740.9374812.99268.8<0.001
 Monitoring device placement same day as emergency department visit47629.7255627.716705.75365.1<0.001
Procedures of interest
 Holter monitor utilisation during 6 months prior to index device placement25025.16817.418216.300<0.001
 External cardiac monitor utilisation during 6 months prior to index device20434.2>2031*>21.0*00<11*<0.1*<0.001
CHA2DS2-VASc score and comorbidities (based on 6-month baseline period†)
 Heart failure777215.9156517.0446715.4174016.5<0.001
 Hypertension42 14686.2823889.224 91685.6899285.1<0.001
 Diabetes17 81536.4353138.210 43435.9385036.5<0.001
 Coronary artery disease17 53535.9364939.510 05434.6383236.3<0.001
 Peripheral arterial disease23174.74054.412354.26776.4<0.001
 Thromboembolism46 18294.4908298.327 68595.1941589.1<0.001
 CHA2DS2-VASc—continuous (mean, SD)5.31.55.41.55.31.55.31.6<0.001
 CHA2DS2-VASc score of 2 or 3661313.5104111.3398913.7158315.0<0.001
 CHA2DS2-VASc score of 4 or more42 28886.5819488.725 11486.3898085.0<0.001
Long-term care stays during baseline period
 Cumulative long-term care days (could be non-consecutive), mean (SD)5.3 (11.2)7.1 (12.1)5.0 (10.4)4.4 (12.1)<0.001
 ≥45 long-term care days7451.51671.83961.41821.70.002
 ≥90 long-term care days970.20240.26430.15300.280.009
  • *Masked to meet small cell suppression policy.

  • †Baseline period includes the inpatient-stay adjusted index date and 182 days prior to the index date.

  • CHA2DS2-VASc score, 1 point for congestive heart failure, 1 point for hypertension, 1 point for diabetes mellitus, 2 points for ischaemic stroke/transient ischaemic attack/thromboembolism, 1 point for vascular diseases, 1 point for age 65–74 years, 2 points for age ≥75 years and 1 point for female sex.