Table 2.

Comparison of diaphragmatic function of IPF patient’s vs controls

	Patients, n: 24	Controls, n: 157	p
Right side
Amplitude (cm)	2.20 [1.80; 2.50]	1.88 [1.68; 2.15]	0.007
Amplitude max (cm)	4.85 [4.17; 5.82]	5.45 [4.80; 6.07]	0.009
Amplitude sniff (cm)	2.60 [2.30; 2.70]	2.40 [2.07; 2.87]	0.43
Tee (mm)	1.75 [1.60; 1.92]	2.00 [1.70; 2.30]	0.02
Tei (mm)	2.40 [2.20; 2.90]	2.60 [2.30; 3.10]	0.29
Tei max (mm)	3.82 ± 0.59	4.15 ± 0.81	0.02
Ratio Tei/Tei max	0.66 ± 0.13	0.65 ± 0.11	0.51
TF (%)	38 [26; 53]	31 [21; 43]	0.10
TF max (%)	121 [85; 138]	100 [82; 135]	0.29
Left side
Amplitude (cm)	2.30 [1.95; 2.40]	1.91 [1.60; 2.39]	0.03
Amplitude max (cm)	5.10 [3.95; 5.85]	5.65 ± 0.96	0.046
Amplitude sniff (cm)	2.65 [2.12; 3.15]	2.50 [2.13; 2.95]	0.49
Tee (mm)	1.70 [1.55; 1.90]	1.80 [1.60; 2.10]	0.06
Tei (mm)	2.20 [2.10; 2.45]	2.40 [2.00; 2.83]	0.13
Tei max (mm)	3.53 ± 0.63	3.94 [3.35; 4.52]	0.009
Ratio Tei/Tei max	0.64 ± 0.13	0.62 ± 0.09	0.53
TF (%)	31 [25; 38]	28 [20; 38]	0.16
TF max (%)	111 [91; 141]	108 [88; 137]	0.94

Tee end-expiratory thickness, Tei end-inspiratory thickness, TF thickening fraction