Table 2. Diaphragm ultrasound in the patient and control groups.
| Ultrasound parameters | Patient group (N = 89) |
Control group (N = 27) | p |
|---|---|---|---|
| Sex (F) | 11 (12%) | 14 (50%) | 0.14 |
| Age (y) | 32 [25;50] | 31 [26;39] | 0.43 |
| BMI (kg/m2) | 22 [14;27] | 22 [20;25] | 0.46 |
| Right deep inspiratory motion (mm) | 23 [10;38] | 72 [62;88] | <0.001 |
| Left deep inspiratory motion (mm) | 23 [11;36] | 62 [61;97] | 0.002 |
| Right sniff TM diaphragm motion (mm) | 12 [6;19] | 32 [19;36] | <0.001 |
| Left sniff TM diaphragm motion (mm) | 13 [9;18] | 33 [23;42] | 0.001 |
| Peak right sniff TDI diaphragm velocity (cm/s) | 6 [4;9] | 13 [10;14] | <0.001 |
| Peak left sniff TDI diaphragm velocity (cm/s) | 7 [5.5;11] | 12 [11;13] | 0.06 |
| Right diaphragm thickness (mm)* | 1.8 [1.5;2.1] | 1.5 [1.3;1.9] | 0.11 |
| Left diaphragm thickness (mm)* | 1.6 [1.4;2] | 1.5 [1.1;1.9] | 0.25 |
Data are presented as number (percentage) or median [IQR]
F: female; BMI: body mass index; TM: time movement; TDI: tissue Doppler imaging.
*: at rest. p = p value.