Table 3. Coefficient values and their confidence intervals describing the dependence of CMRO₂ and CBF on Δ[O₂]_a.

Coefficient	a	b	c	d
Value	−0.15	−0.056	−0.046	0.038
95% CILL	−0.17	−0.095	−0.073	0.0052
95% CIUL	−0.12	−0.017	−0.019	0.071
P value	<0.001	0.007	0.002	0.025

CILL, confident interval lower limit; CIUL, confident interval upper limit; CBF, cerebral blood flow; CMRO₂, cerebral metabolic rate of O₂.