Table 5. Multiple linear regression models for predictors of the Pi level in the sSAH group (R = 0.73, R2 = 0.54).

TIL - therapy intensity level; Pi - phosphate; B - Unstandardized coefficient in multiple linear regression; R - Coefficient in multiple linear regression

Independent variables	B (95% CI)	p-value
Fisher scale	−0.07 (−0.16–0.02)	0.118
TIL	−0.08 (−0.16 to −0.004)	0.039
Pi substitution (mg)	0.000 (0.000–0.000)	0.001
Creatinine (mg/dL)	−1.06 (−1.56 to −0.56)	<0.001
Urea (mg/dL)	0.02 (0.01–0.03)	<0.001
Chloride (mg/dL)	−0.02 (−0.04 to −0.01)	0.007
pH	0.39 (0.17−0.60)	0.001