Table 2 Prostate cancer risk by average fasting blood glucose and HbA1c level
Prostate cancer risk | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Overall | Gleason 6 or less | Gleason 7–10 | Localised PCa | Metastatic | |||||||
n of men/PCa cases | HR (95% CI)age-adjusted | HR (95% CI)multivar.-adjusteda | HR (95% CI)age-adjusted | HR (95% CI)multivar.-adjusteda | HR (95% CI)age-adjusted | HR (95% CI)multivar.-adjusteda | HR (95% CI)age-adjusted | HR (95% CI)multivar.-adjusteda | HR (95% CI)age-adjusted | HR (95% CI)multivar.-adjusteda | |
Fasting blood glucose level | |||||||||||
Normal | 8,481/808 | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
Pre-diabetic | 5,812/454 | 1.07 (0.99–1.23) | 1.09 (0.95–1.26) | 1.03 (0.84–1.27) | 1.08 (0.95–1.26) | 1.09 (0.89–1.34) | 1.10 (0.90–1.36) | 1.10 (0.94–1.27) | 1.13 (0.97–1.31) | 0.75 (0.43–1.31) | 0.74 (0.42–1.30) |
Diabetic | 3,567/401 | 1.36 (1.19–1.56) | 1.52 (1.31–1.75) | 1.26 (1.04–1.53) | 1.48 (1.21–1.81) | 1.38 (1–13–1.70) | 1.46 (1.18–1.81) | 1.39 (1.21–1.61) | 1.57 (1.35–1.82) | 0.99 (0.58–1.69) | 0.94 (0.54–1.64) |
HbA1c level | |||||||||||
Normal | 3,978/431 | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
Pre-diabetic | 4,342/338 | 1.13 (0.88–1.44) | 1.15 (0.90–1.47) | 1.07 (0.75–1.54) | 1.11 (0.77–1.59) | 1.17 (0.83–1.64) | 1.18 (0.84–1.66) | 1.13 (0.87–1.46) | 1.16 (0.89–1.50) | 1.05 (0.42–2.62) | 1.08 (0.43–2.70) |
Diabetic | 2,880/323 | 0.95 (0.73–1.23) | 1.04 (0.80–1.35) | 0.77 (0.53–1.13) | 0.89 (0.60–1.31) | 1.08 (0.75–1.53) | 1.11 (0.77–1.59) | 0.87 (0.67–1.15) | 0.96 (0.73–1.26) | 1.77 (0.73–4.30) | 1.83 (0.74–4.52) |