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(A) Jan. Bland-Altman Analysis: upper level of agreement = 103.93, lower level of agreement = −36.83, n = 119. (B) Apr. Bland-Altman Analysis: upper level of agreement = 95.48, lower level of agreement = −42.74, n = 99. (C) Jun. Bland-Altman Analysis: upper level of agreement = 68.39, lower level of agreement = −23.38, n = 91. (D) Dec. Bland-Altman Analysis: upper level of agreement = 68.10, lower level of agreement = −29.27, n = 56.
