Table 3 Logistic regression for the outcomes
Potassium level on admission (mEq/L) | <3.0 | p value | 3.0–<3.5 | p value | 3.5–<4.0 | 4.0–<4.5 | p value | 4.5–<5.0 | p value | ≥5.0 | p value | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Unadjusted OR (95 % CI) | ||||||||||||||
LSI for bleeding | 0.76 (0.31–1.85) | 0.545 | 0.66 (0.40–1.08) | 0.099 | 1 [ref] | 1.16 (0.64–2.11) | 0.627 | 1.97 (0.61–6.31) | 0.254 | 4.20 (0.91–19.40) | 0.067 | |||
Craniotomy | 5.59 (2.36–13.20) | <0.001 | 1.68 (0.87–3.27) | 0.123 | 1 [ref] | 1.10 (0.44–2.79) | 0.836 | 3.36 (0.84–13.40) | 0.087 | 1.86 (0.21–16.50) | 0.575 | |||
In-hospital mortality | 3.12 (1.16–8.38) | 0.024 | 0.57 (0.23–1.38) | 0.210 | 1 [ref] | 1.90 (0.81–4.48) | 0.142 | 3.88 (0.96–15.70) | 0.058 | 5.17 (0.92–29.10) | 0.062 | |||
Adjusted OR (95 % CI) | ||||||||||||||
LSI for bleeding | 0.48 (0.18–1.29) | 0.145 | 0.69 (0.41–1.18) | 0.178 | 1 [ref] | 1.05 (0.55–2.00) | 0.893 | 1.45 (0.36–5.82) | 0.604 | 2.79 (0.54–14.40) | 0.220 | |||
Craniotomy | 5.25 (2.06–13.40) | <0.001 | 2.03 (1.01–4.07) | 0.048 | 1 [ref] | 1.02 (0.39–2.66) | 0.974 | 2.93 (0.62–13.90) | 0.176 | 1.36 (0.14–13.00) | 0.788 | |||
In-hospital mortality | 3.03 (0.89–10.30) | 0.077 | 0.79 (0.30–2.09) | 0.630 | 1 [ref] | 1.57 (0.60–4.14) | 0.359 | 1.20 (0.17–8.79) | 0.854 | 3.17 (0.40–25.20) | 0.276 | |||