Pectoralis Muscle Mass on Chest CT at Admission Predicts Prognosis in Patients with Pneumonia

Table 2

Pectoralis muscle thickness, area, and volume of survivors and nonsurvivors.

	Total	Survivors	Nonsurvivors	value
Volume (cm^3)	367.9 ± 165.5	375.8 ± 170.0	301.4 ± 101.8	0.002
Area (mm^2)
Pectoralis major muscles	950.5 ± 413.9	975.0 ± 422.1	743.3 ± 267.4	<0.001
Pectoralis minor muscles	328.0 ± 136.9	337.5 ± 138.8	247.8 ± 86.8	<0.001
Thickness (mm)
Pectoralis major muscles	10.2 ± 3.8	10.4 ± 3.9	8.4 ± 2.6	<0.001
Pectoralis minor muscles	8.4 ± 2.8	8.6 ± 2.8	7.1 ± 2.3	<0.001

Continuous variables are expressed as mean ± SD and compared by using Student’s t-test.