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. Author manuscript; available in PMC: 2007 Sep 1.
Published in final edited form as: Anesth Analg. 2006 Sep;103(3):677–681. doi: 10.1213/01.ane.0000229715.71464.90

Table 1.

Demographic and Morphometric Characteristics.

Normocapnia Hypercapnia P
Number of Patients 15 15 —
Age (y) 49 ± 12 45 ± 7 0.215
Weight (kg) 157 ± 33 189 ± 57 0.068
Height (cm) 168 ± 10 169 ± 10 0.854
Body Mass Index (kg/m2) 60 ± 11 67 ± 19 0.081
Sex (M/F) 5 / 10 3 / 12 0.409
Preoperative Hemoglobin (mg/dL) 13.7 ± 1.1 13.2 ± 1.4 0.273
ASA Status (II/III/IV) 4/11/0 4/11/0 1.000
Duration of Surgery (min) 200 ± 38 225 ± 69 0.226
Duration of Anesthesia (min) 202 ± 65 233 ± 54 0.133

Data are presented as means ± SDs or as counts for the categorical outcomes. Means were compared with unpaired, two-tailed t tests, and counts were compared with chi-square or Fisher’s exact tests.