Skip to main content

Table 4 Summary of residual volume and thoracic gas volumes for the total group and for both genders

From: Comparison of air displacement plethysmography to hydrostatic weighing for estimating total body density in children

 

Residual Volume (predicted1)

Residual Volume (measured)

TGV (predicted2)

TGV (measured)

Group

0.84 ± 0.12

1.27 ± 0.44**

2.71 ± 0.51

2.45 ± 0.68**

Males

0.86 ± 0.14

1.36 ± 0.48*

2.74 ± 0.58

2.53 ± 0.72*

Females

0.82 ± 0.10

1.12 ± 0.33*

2.66 ± 0.36

2.33 ± 0.62*

  1. * Statistically significant from predicted (P < 0.05)
  2. ** Statistically significant from predicted (P < 0.01)
  3. 1 Polgar, 1971 RV = (0.029 × Ht(in)) - 0.919
  4. 2 Crapo, 1982 VTG = FRC + 1/2 TV
Back to article page

BMC Pediatrics

ISSN: 1471-2431

Contact us