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. Author manuscript; available in PMC: 2008 Apr 30.
Published in final edited form as: Neurotoxicology. 2007 Feb 11;28(3):664–671. doi: 10.1016/j.neuro.2007.02.002

Table 2.

Initial Respiratory and Hemodynamic characteristics of ventilated and non-ventilated animals

Non-ventilated Ventilated p value
Animal Weight 320gm (+/− 8) 336 gm (+/− 18) 0.37
Initial Respiratory Rate 56 bpm (+/− 3) 63 bpm (+/− 4) 0.2
Initial Tidal Volume 2.84 cc (+/− .19) 2.38 cc (+/− .37) 0.25
Initial Blood Pressure (MAP)’ 90 mmHg (+/− 3) 88 mmHg (+/− 3) 0.64
Initial Respiratory Effort* −6.1 mmHg (+/− 2.2) −5.6 mmHg (+/− 1.3) 0.49
Initial Pulse’ 354 bpm (+/− 10) 379 bpm (+/− 14) 0.19
Initial ET PCO2’ 49 mmHg (+/− 1.1) 53 mmHg (+/− 1.1) 0.02
*

Respiratory Effort is measured as peak inspiratory pressure

‘ = Includes group III - paralyzed and ventilated animals (n=13)

Values are reported as mean (+/− standard error)

MAP = mean arterial pressure