Table 3.

Sonography variables from the mild group.

Patient	Sonography variables
	Right diaphragmatic thickness on inspiration	Left diaphragmatic thickness on inspiration	Right diaphragmatic thickness on expiration	Left diaphragmatic thickness on expiration	Right contraction on inspiration (%)	Left contraction on inspiration (%)	Right expiratory fraction	Left expiratory fraction
1	3.2	3.7	1.8	1.8	77.0	105.0	0.8	1.0
2	6.0	5.0	3.3	2.6	81.0	94.0	0.8	0.9
3	2.1	2.3	1.4	1.3	43.8	69.1	0.4	0.7
4	2.4	2.1	1.5	1.4	56.0	47.0	0.6	0.5
5	3.7	3.1	2.1	1.9	79.0	62.2	0.8	0.6
6	3.1	3.2	2.0	2.0	52.7	60.6	0.5	0.6
7	2.1	2.9	1.4	1.5	43.0	91.0	0.4	0.9
8	2.7	1.8	1.8	1.2	46.8	51.2	0.5	0.5
9
10	2.6	2.3	1.7	1.3	80.0	80.0	0.5	0.8

In one patient (number 9), we performed only nerve conduction of both phrenic nerves performing sonography during the hospital admission