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 4 Comparison of pre- and post-outbreak measures for patients with DM type 2 enrolled in the DMP

	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	2333	39,661	1.69	18,218	1.57	-7.3%	< 0.001
Number of referrals	2333	39,661	0.78	18,218	0.75	-3.8%	0.0121
Number of hospital admissions/referrals	2333	39,661	0.02	18,218	0.01	-13.3%	0.1498
BMI (kg/m²)	1612	10,540	30.4	8390	30.4	0.0%	0.9706
RR-Systolic (mmHg)	1024	3686	135.8	5682	139.3	2.6%	< 0.001
RR-Diastolic (mmHg)	1022	3640	78.2	5672	79.7	1.9%	< 0.001
Number of diagnoses at practice visit (ICD-Chapter)	2095	25,195	2.10	15,041	2.11	0.3%	0.703
Diabetic-specific outcome
Metabolic derailment (yes, %)	2333	39,661	1.30	18,218	1.43	9.9%	0.2111
HbA1c (%)	1603	12,953	6.98	8012	7.08	1.5%	< 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