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. 2013 May 23;8(5):e62625. doi: 10.1371/journal.pone.0062625

Table 4. Hazard ratios (with 95% confidence intervals) for hemorrhagic stroke by increasing energy-adjusted quintiles of carbohydrate, high GI carbohydrate, low GI carbohydrate, starch, sugar, dietary glycemic index, glycemic load and fiber intake.* .

I II III IV V P for trend Intake as a continuous variable ç
Carbohydrate
N cases/N non-cases 19/8749 14/8749 16/8749 16/8749 18/8748
Crude HR (95% CI) 1 0.87 (0.40–1.86) 1.01 (0.47–2.13) 1.01 (0.47–2.17) 1.51 (0.72–3.16) 0.297 1.28 (0.99–1.66)
Adjusted HR (95% CI)$ 1 0.87 (0.37–2.02) 1.05 (0.41–2.71) 1.04 (0.35–3.15) 1.40 (0.37–5.32) 0.628 1.73 (1.04–2.87)
High GI carbohydrate
N cases/N non-cases 11/8749 22/8749 13/8749 20/8749 17/8748
Crude HR (95% CI) 1 2.12 (0.95–4.69) 1.07 (0.42–2.69) 2.24 (0.98–5.09) 2.62 (1.09–6.31) 0.043 1.24 (0.94–1.62)
Adjusted HR (95% CI)$ 1 2.39 (1.04–5.50) 1.29 (0.48–3.46) 2.84 (1.12–7.23) 3.14 (1.09–9.04) 0.050 1.24 (0.89–1.72)
Low GI carbohydrate
N cases/N non-cases 16/8749 15/8749 18/8749 17/8749 17/8748
Crude HR (95% CI) 1 0.66 (0.29–1.50) 1.01 (0.48–2.11) 0.83 (0.39–1.78) 0.84 (0.39–1.83) 0.829 1.06 (0.82–1.36)
Adjusted HR (95% CI)$ 1 0.67 (0.29–1.55) 1.02 (0.48–2.18) 0.80 (0.36–1.78) 0.71 (0.30–1.66) 0.542 1.00 (0.76–1.33)
Starch
N cases/N non-cases 22/8749 14/8749 16/8749 17/8749 14/8748
Crude HR (95% CI) 1 0.61 (0.29–1.28) 0.86 (0.43–1.71) 0.83 (0.40–1.72) 1.04 (0.47–2.31) 0.905 1.08 (0.82–1.42)
Adjusted HR (95% CI)$ 1 0.50 (0.22–1.14) 0.65 (0.27–1.55) 0.60 (0.23–1.58) 0.61 (0.19–1.95) 0.464 0.98 (0.66–1.46)
Sugar
N cases/N non-cases 14/8749 13/8749 18/8749 14/8749 24/8748
Crude HR (95% CI) 1 1.13 (0.48–2.64) 1.22 (0.53–2.80) 0.78 (0.31–1.96) 1.74 (0.79–3.80) 0.174 1.21 (0.97–1.51)
Adjusted HR (95% CI)$ 1 1.18 (0.50–2.81) 1.35 (0.57–3.19) 0.87 (0.33–2.27) 1.83 (0.77–4.39) 0.195 1.23 (0.95–1.59)
Glycemic index
N cases/N non-cases 13/8749 20/8749 14/8749 21/8749 15/8748
Crude HR (95% CI) 1 1.80 (0.82–3.93) 1.24 (0.53–2.94) 1.99 (0.90–4.36) 1.49 (0.64–3.49) 0.333 1.12 (0.88–1.43)
Adjusted HR (95% CI)$ 1 1.79 (0.81–3.93) 1.25 (0.52–2.99) 2.00 (0.89–4.52) 1.55 (0.63–3.81) 0.321 1.13 (0.87–1.48)
Glycemic load
N cases/N non-cases 15/8749 20/8749 15/8749 15/8749 18/8748
Crude HR (95% CI) 1 1.46 (0.70–3.08) 1.15 (0.51–2.57) 1.02 (0.44–2.40) 2.12 (0.98–4.61) 0.153 1.28 (0.99–1.66)
Adjusted HR (95% CI)$ 1 1.59 (0.69–3.62) 1.33 (0.50–3.55) 1.28 (0.41–4.04) 2.58 (0.71–9.47) 0.219 1.56 (1.01–2.41)
Fiber
N cases/N non-cases 12/8749 20/8749 16/8749 19/8749 16/8748
Crude HR (95% CI) 1 1.47 (0.66–3.27) 1.13 (0.48–2.65) 1.51 (0.66–3.46) 2.17 (0.87–5.41) 0.110 1.23 (0.88–1.71)
Adjusted HR (95% CI)$ # 1 1.53 (0.67–3.49) 1.17 (0.47–2.89) 1.48 (0.60–3.66) 1.87 (0.67–5.22) 0.292 1.12 (0.78–1.60)
*

energy adjusted by residual method; †Adjusted for sex and stratified by FFQ and age;$ also adjusted for education, smoking, body mass index, alcohol, non alcohol energy intake, cereal fiber intake, saturated fat, monounsaturated fat, polyunsaturated fat and physical activity; # not adjusted for cereal fiber; ç for 1 SD increase.