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Table 1 Characteristics of the study cohort by sex and diabetes status

From: Diabetes and risk of cancer incidence: results from a population-based cohort study in northern Italy

Characteristics

Total

Females

Males

Without DM

With DM

Without DM

With DM

Without DM

With DM

At baseline:

 Population 20–84 years

383,799

23,358

195,930

10,269

187,869

13,089

 Foreignersa: N (%)

53,852 (14.0)

1812 (7.7)

28,103 (14.3)

862 (8.3)

25,749 (13.7)

950 (7.3)

 Age (years): median (IQR)

45 (35–60)

67 (58–75)

47 (35–62)

69 (60–76)

44 (34–59)

66 (57–74)

 History of cancer N (%)

12,685 (3.3)

1979 (8.5)

6878 (3.5)

840 (8.2)

5807 (3.1)

1139 (8.7)

Time since diabetes diagnosis (years) median (IQR)

4 (1–10)

4 (1–10)

4 (1–10)

Type of diabetes N(%)

 Type 1 diabetes

 

779 (3.3)

364 (3.5)

415 (3.2)

 Type 2 diabetes

22,458 (96.2)

9853 (96.0)

12,605 (96.3)

 Secondary diabetes b

121 (0.5)

52 (0.5)

69 (0.5)

Treatment N(%)c

 Diet only d

 

6139 (27.3)

2636 (26.7)

3503 (27.8)

 OHA e

11,980 (53.3)

5243 (53.2)

6737 (53.4)

 Insulin only

2313 (10.3)

1010 (10.2)

1303 (10.3)

 OHAs + insulin

2026 (9.0)

964 (9.9)

1062 (8.4)

During follow-up:

 Person-years

1,499,890

85,953

767,174

38,171

732,716

47,782

 Dead: N (%)

9875 (2.6)

2704 (11.6)

4291 (2.2)

1071 (10.4)

5584 (3.0)

1633 (12.5)

 Moved: N (%)

345 (0.1)

12 (0.1)

148 (0.1)

8 (0.1)

197 (0.1)

4 (0.0)

  1. ataking into account the country of birth; bdiseases of the exocrine pancreas and drug-induced diabetes conly for Type 2 diabetes; dpatients controlled only through diet and physical activity; eoral hypoglycaemic agents. IQR Inter-quartile range