Utility of Plasma GDF-15 for Diagnosis and Prognosis Assessment of ICU-Acquired Weakness in Mechanically Ventilated Patients: Prospective Observational Study

Table 2

Comparison of plasma GDF-15 level, MRC-score, and RFcsa index between the two groups.

	Groups	Day 1	Day 4	Day 7
GDF-15 (pg/ml)	ICU-AW group (n = 50)	1047.16 ± 314.43	1295.44 ± 338.15	2545.44 ± 629.38
	Non-ICU-AW group (n = 45)	1109.22 ± 268.62	1146.35 ± 239.22	1542.86 ± 502.86
	t	1.03	2.46	8.52
	value	0.31	0.16	0.00
RFcsa (cm^2)	ICU-AW group (n = 50)	2.49 ± 0.78	2.27 ± 0.52	2.04 ± 0.64
	Non-ICU-AW group (n = 45)	2.51 ± 0.66	2.38 ± 0.65	2.34 ± 0.61
	t	0.096	1.30	2.33
	value	0.92	0.19	0.02
MRC-score	ICU-AW group (n = 50)	54.92 ± 2.65	50.84 ± 3.14	41.22 ± 3.42
	Non-ICU-AW group (n = 45)	54.64 ± 2.74	52.97 ± 2.76	51.42 ± 2.72
	t	0.49	3.51	17.51
	value	0.62	0.01	0.00