Table 5 Linear regression model analysis for T5 and T12 muscular area and density

mortality

− 3.73 (− 5.09 to − 2.37), P < 0.001

− 1.44 (− 3.68–0.80)

P = 0.207

− 7.03 (− 10.30 to − 3.76)

P < 0.001

− 1.66 (− 6.71–3.39)

P = 0.51

− 4.44 (− 6.15 to − 2.74)

P < 0.001

− 0.32 (− 3.07–2.42)

P = 0.818

− 5.90 (− 8.73 to − 3.08)

P < 0.001

− 0.37 (− 4.61–3.87)

P = 0.864

Hos-time

− 0.297 (− 0.44 to − 0.14)

P < 0.001

− 0.103 (− 0.27–0.06)

P = 0.235

− 1.44 (− 1.77 to − 1.11)

P < 0.001

− 1.15 (− 1.54 to − 0.77)

P < 0.001

− 0.49 (− 0.67 to − 0.30)

P < 0.001

− 0.19 (− 0.40–0.01)

P = 0.070

− 1.44 (− 1.71 to − 1.16)

P < 0.001

− 1.24 (− 1.56 to − 0.92)

P < 0.001

ICU-add

− 3.182 (− 4.32 to − 2.04)

P < 0.001

− 1.055 (− 2.95–0.84)

P = 0.274

− 9.07 (− 11.74 to − 6.41)

P < 0.001

− 6.07 (− 10.34 to − 1.80)

P = 0.005

− 5.11 (− 6.50 to − 3.71)

P < 0.001

− 3.35 (− 5.68 to − 1.03)

P = 0.005

− 8.05 (− 10.34 to − 5.76)

P < 0.001

− 4.59 (− 8.17 to − 1.00)

P = 0.012

Mech-vent

− 3.617 (− 4.82 to − 2.40)

P < 0.001

− 1.295 (− 3.84–1.25)

P = 0.319

− 7.25 (− 10.17 to − 4.33)

P < 0.001

3.73 (− 2.01–9.49)

P = 0.20

− 4.86 (− 6.37 to − 3.35)

P < 0.001

− 0.80 (− 3.94–2.32)

P = 0.613

− 6.52 (− 9.03 to − 4.00)

P < 0.001

2.40 (− 2.43 to 7.22)

P = 0.329

severity

− 0.797 (− 1.58 to − 0.01)

P = 0.046

− 0.028 (− 0.82–0.76)

P = 0.945

− 2.73 (− 4.58 to − 0.88)

P = 0.004

− 0.72 (− 2.5–1.07)

P = 0.430

− 1.60 (− 2.58 to − 0.63)

P = 0.001

− 0.58 (− 1.55–0.39)

P = 0.243

− 2.18 (− 3.78 to − 0.58)

P = 0.008

− 0.26 (− 1.76–1.24)

P = 0.734