TABLE 1.

Cohort characteristics.

Characteristic	Value	Level
Demographics
Patients, total $(N)$	680	​
Sex, $n$ (%)	Female 466 (68.5%)	Patient-level
	Male 214 (31.5%)	Patient-level
Age, mean $\pm$ SD (years)	60.1 $\pm$ 18.3	Patient-level
Age, median (IQR), years	62 (46.4–74.0)	Patient-level
Age range, years	18–97	Patient-level
Age group, $n$ (%)	$<65$ : 372 (54.7%)	Patient-level
	$\ge 65$ : 308 (45.3%)	Patient-level
Service use
Visits, total $(N)$	2,666	Visit-level
Median visits per patient (min–max)	2.5 (1–13)	Patient-level
Patients with exactly 1 visit, $n$ (%)	238 (35.0%)	Patient-level
Patients with $\ge 2$ visits, $n$ (%)	442 (65.0%)	Patient-level
Exposure to high PARS-defined risk
High-risk PARS visits, $n$ (%)	671 (25.2%)	Visit-level
Patients with $\ge 1$ high-risk PARS visit, $n$ (%)	211 (31.0%)	Patient-level