Table 2.

Comparison of diaphragmatic motor function between the two groups

Parameters	Group C (n = 39)	Group N (n = 38)	P value
Eupnea
DE T0 (cm); mean ± SD	2.50 ± 0.22	2.43 ± 0.18	0.098
DE T1 (cm); median (IQR)	1.70 (1.40–2.01)	1.83 (1.67–2.01)	0.137
ΔDE (%); median (IQR)	31.84 (21.45–41.95)	24.05 (18.09–30.69)	0.026
DTF T0 (%); mean ± SD	59.18 ± 4.72	57.89 ± 4.26	0.214
DTF T1 (%); median (IQR)	36 (19–42)	43 (35–46)	0.015
Forced respiration
DE T0 (cm); mean ± SD	4.87 ± 0.41	4.81 ± 0.39	0.479
DE T1 (cm); median (IQR)	3.40 (2.69–3.82)	3.60 (3.17–3.92)	0.030
ΔDE (%); median (IQR)	31.07 (22.90–42.99)	23.02 (16.94–29.78)	0.003
DTF T0 (%); median (IQR)	57 (55–63)	57 (53–61)	0.363
DTF T1 (%); median (IQR)	31 (19–39)	35 (28–44)	0.041
HDP [ΔDE ≥ 25%]; n (%)	25 (64.10)	15 (39.47)	0.031
HDP degree; n (%)			0.031
Absent	14 (35.90)	23 (60.53)
Partial	22 (56.41)	15 (39.47)
Complete	3 (7.69)	0 (0.00)
HDP [DTF < 20%]; n (%)	13 (33.33)	5 (13.16)	0.036

DE, diaphragm excursion; DTF, diaphragm thickening fraction; HDP, hemidiaphragmatic paresis; IQR, interquartile range; SD, standard deviation