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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: J Neurol. 2019 Jul 26;266(11):2752–2763. doi: 10.1007/s00415-019-09481-z

Table 2:

Lung Size and Dimensions

FRC End Tidal Inspiration Maximal Inspiration Maximal Expiration
Lung Area (cm2) Controls
DMD		 150.8±50.1
91.1±20.5* 		172.2±50.8
106.7±21.8* 		284.4±88.5
170.9±25.1* 		138.0±38.9
79.3±19.1*
CC Length (cm) Controls
DMD		 14.5±3.2
9.5±1.8* 		15.9±3.1
10.4±1.9* 		19.6±4.1
12.7±1.9* 		14.4±2.9
8.8±1.8*
AP Length (cm) Controls
DMD		 12.7±2.0
12.1±1.3		 13.1±2.0
12.5±1.3		 15.3±2.1
14.5±1.2		 12.2±1.9
11.3±1.2
LR Length (cm) Controls
DMD		 22.8±3.4
20.7±1.6		 23.1±3.2
21.4±1.6		 25.7±3.7
24.2±1.8		 22.2±3.7
20.3±1.7
Lung Area/Ht (cm2/cm) Controls
DMD		 0.9±0.2
0.7±0.1* 		l1±0.2
0.8±0.1* 		1.7±0.3
1.3±0.1* 		0.8±0.2
0.6±0.1*
CC Length/Ht (cm/m) Controls
DMD		 9.0±0.9
7.1±1.2* 		9.8±0.9
7.8±1.2* 		12.0±1.0
9.6±1.4* 		8.6±1.0
6.6±1.1*

Data are expressed as mean ± SD.

*

indicates a statistically significant ditterence between the control and DMD groups (p<0.05). (FRC = functional residual capacity, CC = craniocaudal, AP = anterior-posterior, LR = left-right)