International Scholarly Research Notices / 2013 / Article / Tab 2

Clinical Study

Pulmonary Function after Weight Loss in Obese Women Undergoing Roux-en-Y Gastric Bypass: One-Year Followup

Table 2

Values of lung volumes (spirometry).

VariablePreoperativePostoperative (1 year)

VC (L)3.10 ± 0.653.21 ± 0.623.550.0356
% VC92.29 ± 10.4795.42 ± 12.443.390.0796
VT (L)0.69 ± 0.280.70 ± 0.291.450.4357
IRV (L)1.86 ± 0.391.48 ± 0.46−20.43<0.0001
ERV (L)0.54 ± 0.331.02 ± 0.4988.89<0.0001
IC (L)2.54 ± 0.452.17 ± 0.45−14.57<0.0001
FVC (L)3.10 ± 0.703.33 ± 0.567.420.0009
% FVC92.01 ± 13.0798.88 ± 10.717.470.003
FEV1 (L)2.49 ± 0.592.74 ± 0.4810.04<0.0001
% FEV188.79 ± 12.4398.13 ± 10.5810.520.0004
MVV (L)101.59 ± 19.68108.62 ± 14.256.920.0078
% MVV86.50 ± 16.0294.79 ± 22.229.580.0026

CV: vital capacity; VT: tidal volume; IRV: inspiratory reserve volume; ERV: expiratory reserve volume; IC: inspiratory capacity; FVC: forced vital capacity; FEV1: forced expiratory volume in one second; MVV: maximum voluntary ventilation.

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