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Table 2 Volumes of gas and tissue at baseline and H39 in the control group of patients

From: Computed tomography assessment of exogenous surfactant-induced lung reaeration in patients with acute lung injury

  Baseline H39 P value
Volume of gas (ml)    
   Right upper and middle lobe 864 ± 440 934 ± 411 NS
   Left upper lobe 752 ± 321 722 ± 295 NS
   Right lower lobe 178 ± 206 241 ± 244 NS
   Left lower lobe 142 (47-277) 111(23-296) NS
Volume of tissue (ml)    
   Right upper and middle lobe 317 ± 115 313 ± 105 NS
   Left upper lobe 281 ± 69 272 ± 71 NS
   Right lower lobe 321 ± 106 275 ± 87 0.02
   Left lower lobe 299 ± 89 267 ± 49 NS
  1. Data are expressed as mean ± standard deviation or median and 25 to 75% interquartile range. H39, CT scan performed 39 hours after baseline. NS, not significant.