Correction: Care management intervention to strengthen self-care of multimorbid patients with type 2 diabetes in a German primary care network: A randomized controlled trial

There is an error in Table 1. The letter “c” in the “Number of comorbidities” row should not be capitalized. Please see the correct Table 1 here.

Table 1. Patient characteristics—Comparison between groups at baseline.

	Intervention	N	Control	N
Number		252		243
Age years (SD)	68.40 (11.33)	249	68.31 (10.80)	238
Female	47.22%	119	48.56%	118
Married / cohabited	58.73%	148	53.09%	129
Up to 9 years in school	30.16%	76	26.75%	65
Professional education*	66.67%	168	67.07%	163
Diabetes duration in years (SD)	14.13 (9.50)	187	15.06 (12.07)	173
Treatment with insulin	33.7%	85	33.3%	81
Enrolled in an additional DMP$	23.8%	60	28.0%	68
Number of comorbidities	3.79 (1.16)	252	3.74 (1.22)	243
Mobility restrictions	18.7%	47	17.3%	42
Hospital stays per patients#	0.19 (0.51)	252	0.23 (0.61)	243
Systolic blood pressure (mmHg)	135.45 (14.65)	252	133.88 (14.25)	243
Diastolic blood pressure (mmHg)	80.27 (8.84)	252	79.63 (8.59)	243
Blood glucose (mg/dl)	148.11 (47.56)	252	151.76 (50.13)	243
Blood glucose (HbA1C)	7.13 (1.23)	252	7.25 (1.19)	243
BMI calculated	31.52 (6.73)	252	31.62 (5.97)	243

*minimum vocational training;

^$Asthma, CHD, COPD;

^#last 9 month;

There is an error in Table 3. The subheadings “T0” and “T1” are missing from the “Control group” section. Please see the correct Table 3 here.

Table 3. Description of SDSCA scores within the intervention and control group alongside p-values for differences in scores over time.

SDSCA-G	Intervention							Control group
	T0			T1			P**	T0			T1			P**
	N	Mean	SD	N	Mean	SD		N	Mean	SD	N	Mean	SD
sum	186	3.31	1.11	181	3.63	1.22	0.012	182	3.50	1.23	164	3.58	1.22	0.197
diet	208	4.30	1.58	199	4.54	1.50	0.180	201	4.38	1.76	186	4.40	1.72	0.959
exercise	231	3.13	1.84	209	3.12	1.83	0.876	220	3.01	1.85	194	3.10	2.01	0.731
BST*	78	5.48	2.28	73	5.58	2.01	0.781	75	5.45	2.26	68	5.93	1.90	0.051
foot care	222	2.47	2.19	211	2.85	2.28	0.207	223	3.06	2.25	195	3.15	2.46	0.322

*blood sugar test;

**p-value for testing whether least square means are equal to 0, based on linear mixed model with repeated measurements

There is an error in reference 32. The correct reference is: Sheaff R, Gené-Badia J, Marshall M, Sˇvab I. The evolving public-private mix. In: Saltman RB, Rico A, Boerma W, Hrsg. Primary care in the driver’s seat? Organizational reform in European primary care. New York City, NY: Open University Press; 2006. S. 129–46.

Within references 1, 5, 15, 20, 26, 29, 31, 34, 40, 47, 49, and 54, the “View Article” links do not lead to the cited articles and some PMIDs are not listed. Please view the complete references here.

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