Table 4 The association of BMI with the risk of selected subtypes of cancer in T2DM patients
From: Body mass index and cancer risk among Chinese patients with type 2 diabetes mellitus
Gender | subtypes of cancer | Categories of BMI | < 60 years old | > 60 years old | ||||
|---|---|---|---|---|---|---|---|---|
No. of cancer cases | HR | 95%CI | No. of cancer cases | HR | 95%CI | |||
Male | All sites of cancer | < 18.5 | 11 | 1.42 | 0.78–2.61 | 38 | 1.21 | 0.87–1.68 |
18.5–24.9 | 241 | 1(ref) |  | 616 | 1(ref) |  | ||
25.0–29.9 | 128 | 0.89 | 0.72–1.11 | 301 | 0.98 | 0.86–1.13 | ||
≥30.0 | 23 | 1.4 | 0.91–2.15 | 29 | 0.98 | 0.68–1.43 | ||
Female | All sites of cancer | BMI as a continuous variable |  | non-linearity |  | 833 | 1.03 | 1.01–1.05 |
< 18.5 | 9 | 0.95 | 0.49–1.85 | 23 | 0.9 | 0.59–1.36 | ||
18.5–24.9 | 295 | 1(ref) |  | 468 | 1(ref) |  | ||
25.0–29.9 | 214 | 1.22 | 1.02–1.46 | 284 | 1.15 | 0.99–1.33 | ||
≥30.0 | 26 | 0.86 | 0.58–1.29 | 58 | 1.44 | 1.10–1.90 | ||
Breast cancer | BMI as a continuous variable |  | non-linearity |  | 123 | 1.07 | 1.01–1.13 | |
< 18.5 | 1 | 0.40 | 0.06–2.90 | 4 | 1.38 | 0.50–3.82 | ||
18.5–24.9 | 78 | 1(ref) |  | 61 | 1(ref) |  | ||
25.0–29.9 | 46 | 0.96 | 0.67–1.39 | 46 | 1.36 | 0.93–2.00 | ||
≥30.0 | 10 | 1.2 | 0.62–2.33 | 12 | 2.19 | 1.18–4.07 | ||