Table 2 Baseline characteristics of patients with T1D (for age ≤ 25, > 25 years) before and after matching (variables: age, gender, diabetes duration, type of insulin treatment and migration background), comparing patients with T1D and comorbid PTSD to patients with T1D without PTSD.

From: Posttraumatic stress disorder and diabetes-related outcomes in patients with type 1 diabetes

Demographics, diabetes-related outcomes

Entire age range

 ≤ 25 years

 > 25 years

SMD

T1D-no-PTSD

N = 97,232

T1D-PTSD

N = 88

p value

T1D-no-PTSD

N = 54,854

T1D-PTSD

N = 91

p value

Characteristics before matching

 Overall Propensity Score

0.78

      

 Gender [% male]

− 0.50

53.16

30.68

 < 0.001*

52.85

28.57

 < 0.001*

 Migration background [%]

0.10

18.42

22.73

1.000

1.44

1.10

1.000

 Age, in years

0.47

16.47 [12.84; 17.83]

17.41 [15.37; 18.66]

 < 0.01*

50.62 [37.70; 63.11]

45.78 [37.29; 61.26]

1.000

 Age at diabetes onset

 

8.97 [5.26; 12.30]

9.70 [5.55; 12.80]

1.000

29.45 [17.15; 43.28]

26.07 [14.55; 38.94]

0.836

 Diabetes duration, in years

0.42

5.63 [2.51; 9.46]

7.56 [4.15; 11.03]

0.015

17.93 [7.98; 29.61]

21.03 [12.69; 32.31]

0.722

 Height-SDS, AGA

 

− 0.07 [− 0.77; 0.62]

− 0.55 [− 1.49; 0.35]

 

− 0.40 [− 1.27; 0.29]

− 0.49 [− 1.20; 0.13]

 

 BMI-SDS, AGA

 

0.52 [− 0.15; 1.20]

1.01 [0.11; 1.62]

0.017*

− 0.22 [− 1.06; 0.68]

− 0.23 [− 1.27; 0.95]

1.000

 Daily Insulin dose/kg

 

0.84 [0.66; 1.04]

0.82 [0.68; 1.05]

1.000

0.57 [0.42; 0.76]

0.52 [0.40; 0.70]

1.000

 Insulin pump [%]

− 0.01

41.14

39.77

1.000

23.75

34.07

0.231

 CGM > 1/day [%]

 

38.39

43.18

1.000

13.05

30.77

 < 0.001*

 HbA1c [%]

 

7.78 [6.97; 8.89]

8.32 [7.37; 9.45]

0.011*

7.53 [6.72; 8.59]

7.73 [6.71; 8.87]

1.000

 HbA1c: [mmol/mol]

 

61.50 [52.67; 73.64]

67.41 [57.08; 79.78]

0.011*

58.77 [49.92; 70.33]

61.00 [49.83; 73.43]

1.000

Demographics, diabetes-related outcomes

Entire age range

 ≤ 25 years

 > 25 years

SMD

T1D-no-PTSD

N = 440

T1D-PTSD

N = 88

p value

T1D-no-PTSD

N = 455

T1D-PTSD

N = 91

p value

Characteristics after matching

 Overall Propensity Score

0.00

      

 Gender [% male]

0.00

30.68

30.68

1.000

28.57

28.57

1.000

 Migration background [%]

0.00

22.73

22.73

1.000

1.10

1.10

1.000

 Age, in years

0.02

17.32 [15.10; 18.28]

17.41 [15.37; 18.66]

1.000

48.25 [37.17; 61.67]

45.78 [37.29; 61.26]

1.000

 Age at diabetes onset

 

8.62 [5.35; 12.51]

9.70 [5.55; 12.80]

1.000

25.36 [14.63; 38.74]

26.07 [14.55; 38.94]

1.000

 Diabetes duration, in years

− 0.02

7.59 [4.41; 11.05]

7.56 [4.15; 11.03]

1.000

20.06 [12.31; 30.79]

21.03 [12.69; 32.31]

1.000

 Height-SDS, AGA

 

− 0.13 [− 0.80; 0.57]

− 0.55 [− 1.49; 0.35]

 

− 0.49 [− 1.27; 0.29]

− 0.49 [− 1.20; 0.13]

 

 BMI-SDS, AGA

 

0.63 [− 0.05; 1.31]

1.01 [0.11; 1.62]

0.616

− 0.13 [− 0.96; 0.69]

− 0.23 [− 1.27; 0.95]

1.000

 Daily Insulin dose/kg

 

0.87 [0.68; 1.09]

0.82 [0.68; 1.05]

1.000

0.59 [0.43; 0.77]

0.52 [0.40; 0.70]

1.000

 Insulin pump [%]

0.00

39.77

39.77

1.000

34.07

34.07

1.000

 CGM > 1/day [%]

 

40.68

43.18

1.000

19.12

30.77

0.167

 HbA1c [%]

 

7.98 [7.14; 9.17]

8.32 [7.37; 9.45]

0.759

7.47 [6.70; 8.56]

7.73 [6.71; 8.87]

1.000

 HbA1c: [mmol/mol]

 

63.71 [54.48; 76.71]

67.41 [57.08; 79.78]

0.759

58.19 [49.74; 70.07]

61.00 [49.83; 73.43]

1.000

  1. All data are presented in median [Q1; Q3] or percentage [%]. Entire age range = Total age range of patients in the T1D + PTSD group and T1D-only group. SMD standardized mean difference between T1D-no-PTSD and T1D + PTSD group, T1D type 1 diabetes, PTSD posttraumatic stress disorder, T1D-no-PTSD patients with T1D without PTSD, with or without other comorbid mental disorder, T1D + PTSD patients with T1D and PTSD, with or without other mental comorbidity, BMI body-mass index, SDS standard deviation score, AGA Arbeitsgemeinschaft Adipositas im Kindes- und Jugendalter, CGM continuous glucose monitoring, HbA1c Hemoglobin A1c.
  2. *Significant (p < 0.05).