Table 3.

Rates of visit compliance, discharges and test requests during telephone visits (2020) compared with in-person visits for the same period during the previous year (2019)

	2019		2020
	Number	%	Number	%
Patient appointments	5908		5842		P
Visit compliance	5036	85.2	5602	95.9	<0.001
Medical discharges	595	11.8	1239	22.1	<0.001
Tests or referrals requested
Laboratory tests	3052	60.6	2837	50.6	<0.001
Simple X-ray	110	2.2	78	1.4	0.002
Ultrasounda	440	8.7	378	6.7	<0.001
Transthoracic echocardiography	100	2.0	41	0.7	<0.001
CT scanb	182	3.6	190	3.4	0.55
MRIc	300	5.9	143	2.6	<0.001
Nuclear medicine tests	22	0.4	12	0.2	0.035
Neurophysiological studiesd	26	0.5	27	0.5	0.82
ABPM|  d	84	1.7	60	1.1	0.007
Referral to other specialists	703	14.0	260	4.7	<0.001
Referral to other centers	214	4.2	90	1.6	<0.001

^aIncludes Doppler ultrasound and excludes echocardiography.

^bComputerized axial tomography scan.

^cMagnetic resonance imaging.

^dIncludes electroneurogram, electromyogram or electroencephalogram.

^eAmbulatory blood pressure monitoring.