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Fig. 5 | BMC Pulmonary Medicine

Fig. 5

From: Comparison of assessment of diaphragm function using speckle tracking between patients with successful and failed weaning: a multicentre, observational, pilot study

Fig. 5

Graphical representation of correlation among various diaphragm assessment methods. A Maximal diaphragm longitudinal strain vs. diaphragm thickening fraction (R2 = 0.73, P < 0.0001), B Diaphragm thickening fraction vs. diaphragmatic thickness at end inspiration (R2 = 0.07, P < 0.0113), C Diaphragm thickening fraction vs. diaphragmatic thickness at end expiration (R2 = 0.002, P = 0.647), D Maximal diaphragm longitudinal strain vs. diaphragmatic thickness at end inspiration (R2 = 0.07, P = 0.0071), E Maximal diaphragm longitudinal strain vs. diaphragmatic thickness at end expiration (R2 = 0.01, P = 0.3336), F Maximal diaphragm longitudinal strain vs. diaphragm excursion (R2 = 0.61, P < 0.0001)

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