Fig. 2From: Assessment of chronic disease self-management in patients with chronic heart failure based on the MCID of patient-reported outcomes by the multilevel modelResidual normality test diagram of PHYS and PSYS (a, b) represent the residual normality tests of PHY at the timepoint level and the individual level, respectively. c, d Represent the residual normality test of PSY at the time-point level and the individual level, respectivelyBack to article page