Table 1:

Odds ratio estimates (Pvalues) from logistic regression models for individual time points of consecutive MR imaging examinations

	Examination
Parameter	First (n= 23)	Second (n = 21)	Third (n = 21)	Fourth (n = 19)	Fifth (n = 16)	Sixth (n = 13)
CBF	0.97 (.25)	0.90 (.016)*	0.95 (.071)*	0.94 (.051)*	0.90 (.050)*	0.97 (.26)
Systolic BP	1.03 (.29)	1.16 (.048)*	1.00 (.99)	1.01 (.83)	0.93 (.25)	0.96 (.48)
Diastolic BP	1.07 (.14)	1.23 (.037)*	1.01 (.83)	1.08 (.14)	1.01 (.93)	1.04 (.54)
Pulse	1.00 (.98)	0.99 (.70)	0.96 (.26)	0.98 (.7)	1.03 (.49)	0.97 (.50)
etCO₂	0.72 (.050)*	0.8 (.036)*	0.84 (.066)*	0.68 (.062)*	0.65 (.071)*	0.60 (.089)*
RR	1.04 (.67)	1.26 (.15)	1.07 (.49)	1.08 (.44)	1.02 (.82)	0.81 (.26)
Age	1.06 (.59)	0.93 (.54)	0.89 (.28)	0.98 (.87)	1.15 (.26)	1.16 (.28)
RBC	4.34 (.36)	0.42 (.49)	0.27 (.25)	1.16 (.85)	0.67 (.71)	2.39 (.62)

Note:—Asterisks denote odds ratios significant to a level of P < .1.