From: Can pre-diagnostic serum levels of sodium and potassium predict prostate cancer survival?
Variables | Prostate Cancer specific mortality | Overall mortality | Cardiovascular mortality | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Crude | Adjusted a | Adjusted b | Crude | Adjusted a | Adjusted b | Crude | Adjusted a | Adjusted b | ||
HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | ||
Events | 1649 | 1003 | 3995 | 2234 | 485 | 302 | ||||
Sodium (mEq/L) | ||||||||||
Medical cut offs | < 136 | 1.12 (0.82–1.53) | 1.14 (0.84–1.57) | 1.15 (0.75–1.75) | 1.16 (0.95–1.42) | 1.20 (0.99–1.46) | 1.14 (0.86–1.51) | 1.21 (0.70–2.11) | 1.29 (0.75–2.25) | 0.82 (0.34–1.98) |
136–145 | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | |
> 145 | 1.08 (0.88–1.32) | 1.11 (0.90–1.35) | 1.08 (0.84–1.39) | 1.00 (0.88–1.14) | 1.04 (0.91–1.19) | 1.06 (0.89–1.26) | 0.75 (0.49–1.17) | 0.81 (0.52–1.25) | 0.84 (0.49–1.44) | |
Potassium (mEq/L) | ||||||||||
Medical cut offs | < 3.5 | 0.65 (0.24–1.72) | 0.58 (0.22–1.55) | 0.49 (0.12–1.97) | 1.19 (0.75–1.90) | 1.07 (0.67–1.69) | 0.72 (0.34–1.51) | 0.72 (0.34–1.51) | 1.29 (0.42–4.04) | 0.59 (0.08–4.23) |
3.5–5 | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | |
> 5 | 1.21 (0.84–1.75) | 1.18 (0.82–1.70) | 1.26 (0.76–2.09) | 1.33 (1.06–1.67) | 1.26 (1.01–1.59) | 1.11 (0.79–1.55) | 1.11 (0.79–1.55) | 1.57 (0.89–2.79) | 0.98 (0.39–2.44) | |
Combined electrolyte scoring (0–4) | ||||||||||
Scoring | Low score (0,1) | 1.01 (0.74–1.38) | 1.02 (0.75–1.39) | 1.04 (0.69–1.57) | 1.16 (0.97–1.40) | 1.18 (0.98–1.42) | 1.06 (0.81–1.39) | 1.25 (0.75–2.09) | 1.27 (0.76–2.12) | 0.65 (0.27–1.57) |
Score 2 | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | 1.00 (Ref) | |
High score (3,4) | 1.13 (0.94–1.36) | 1.14 (0.95–1.37) | 1.13 (0.89–1.42) | 1.08 (0.96–1.22) | 1.10 (0.98–1.24) | 1.06 (0.91–1.25) | 0.91 (0.63–1.32) | 0.94 (0.65–1.36) | 0.84 (0.52–1.37) |