A few covariates changed P values and it is possibly due to the small sample size in the hemodialysis group (from significant to not significant, Supplemental Table 2 ); however, the trend is similar as in the entire cohort — hemoglobin showed a trend in its association with diaphragmatic function.
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Diaphragmatic dysfunction associates with dyspnoea, fatigue, and hiccup in haemodialysis patients: a cross-sectional study.
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