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Table 1 Descriptive statistics on study parameters at diagnosis of diabetes and at follow-up

From: Delay in treatment intensification increases the risks of cardiovascular events in patients with type 2 diabetes

 

Without previous CVD

With previous CVD

All patients

n

93,522

11,955

105,477

Malea

50,963 (55)

7,609 (64)

58,572 (56)

Age at diagnosis (years)b

60 (13)

68 (11)

61 (13)

Patients by year of diagnosisa

 1990–December 1999

1,893 (2)

201 (2)

2,094 (2)

 January 2000–December 2004

28,551 (31)

3,741 (31)

32,292 (31)

 January 2005–December 2009

52,317 (56)

6,647 (56)

58,964 (56)

 January 2010

10,761 (12)

1,366 (11)

12,127 (12)

Smoking statusa

 Current smoking

17,545 (19)

2,022 (17)

19,567 (19)

 Ex-smoking

39,016 (42)

6,922 (58)

45,938 (44)

BMI at diagnosis (kg/m2)b

32 (7)

31 (6)

32 (7)

HbA1c at diagnosis (%)b

8.2 (2.2)

7.8 (2.0)

8.1 (2.2)

HbA1c at diagnosis (mmol/mol)b

66

62

65

HbA1C ≥7% (≥53 mmol/mol) post diagnosisa

 Consistently during 1 year post diagnosis

27,375 (29)

3,096 (26)

30,471 (29)

 Consistently during 2 years post diagnosis

20,856 (22)

2,245 (19)

23,101 (22)

CVE during follow-upa

 MI

1,876 (2.01)

569 (4.76)

2,445 (2.32)

 HF

2,295 (2.45)

898 (7.51)

3,193 (3.03)

 Stroke

1,782 (1.91)

485 (4.06)

2,267 (2.15)

 Any CVE

4,293 (6.64)

1,833 (8.39)

6,126 (7.08)

Renal diseasea

 Before diagnosis

16,630 (17.78)

3,116 (26.06)

19,746 (18.72)

 Post diagnosis

25,662 (27.44)

4,601 (38.49)

30,263 (28.69)

Duration of follow-up (years)c

5.0 (3.4, 7.2)

5.4 (3.5, 7.7)

5.3 (3.5, 7.7)

Medicationa

 2 OADs

41,696 (45)

4,515 (38)

46,211 (44)

 Insulin

8,778 (9)

1,004 (8)

9,782 (9)

 OAD + insulin

8,380 (9)

954 (8)

9,334 (9)

 Intensified treatment

44,042 (45)

4,012 (56)

48,036 (46)

  1. aN (%).
  2. bMean (SD).
  3. cMedian (IQR).