The use of routine data from primary care practices in Germany to analyze the impact of the outbreak of SARS-CoV-2 on the utilization of primary care services for patients with type 2 diabetes mellitus

Table 3 Comparison of pre- and post-outbreak measures for patients with DM type 2

	Number of patients	Pre-outbreak 2016q1-2020q1		Post-outbreak 2020q2-2022q1		Difference
	Number of patients	N	μ	N	μ	Δ (%)	p-value
Number of practice visits	3957	67,269	1.33	30,880	1.31	-1.2%	0.2711
Number of referrals	3957	67,269	0.57	30,880	0.59	2.6%	0.0607
Number of hospital admissions/referrals	3957	67,269	0.01	30,880	0.01	10.3%	0.2116
BMI (kg/m²)	1990	11,935	30.3	9511	30.3	-0.1%	0.8188
RR-Systolic (mmHg)	1314	4399	135.6	6579	139.4	2.8%	< 0.001
RR-Diastolic (mmHg)	1311	4348	78.4	6568	79.7	1.7%	< 0.001
Number of diagnoses at practice visit (ICD-Chapter)	3266	33,369	2.10	21,387	2.07	-1.5%	0.047
Diabetic-specific outcome
Metabolic derailment (yes, %)	3957	67,269	0.97	30,880	1.04	7.9%	0.2612^b
HbA1c (%)	2040	14,518	6.96	9280	7.04	1.2%	< 0.001

First Quarter: q1
^aNumber of patients with non-missing data for the variable under consideration; μ: mean; N: Number of observations; Δ (%): relative difference between before and after the pandemic
^bχ² Test

ISSN: 2731-4553