Table 1 Diabetes is a risk factor for cancer (summary of meta-analyses)
From: Effects of hyperglycemia on the progression of tumor diseases
| Â | Case-control studies | Prospective cohort studies | |||
|---|---|---|---|---|---|
Authors | Tumor | n | RR (95% CI) | n | RR (95% CI) |
Wolf et al. | Breast | 4 | 1.1 (1.0–1.3) | 6 | 1.3 (1.2–1.3) |
El-Serag et al. | HCC | 13 | 2.5 (1.9–3.2) | 12 | 2.5 (1.9–3.2) |
Huxley et al. | Pancreatic | 17 | 1.9 (1.5–2.5) | 19 | 1.7 (1.6–1.9) |
Larsson et al. | Colorectal | 6 | 1.4 (1.2–1.5) | 9 | 1.3 (1.2–1.4) |
Larsson et al. | Bladder | 7 | 1.4 (1.0–1.8) | 3 | 1.4 (1.2–1.7) |
Friberg et al. | Endometrium | 13 | 2.2 (1.8–2.7) | 3 | 1.6 (1.2–2.2) |