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. 2018 Oct 1;172(12):e183310. doi: 10.1001/jamapediatrics.2018.3310

Table 2. Acute and Subacute Echocardiographic Findings.

Characteristic Mean (SD)
Patients, No. Baseline Values Patients, No. Values at 2-wk Follow-up Patients, No. Values at 6-wk Follow-up
Proximal right coronary artery anterior-posterior diameter
Dimension, cm 464 0.23 (0.19) 464 0.23 (0.23) 464 0.23 (0.23)
z Score 464 0.43 (0.94) 464 0.28 (0.92) 464 0.15 (0.91)
Proximal left anterior descending coronary artery
Dimension, cm 464 0.22 (0.18) 464 0.23 (0.24) 464 0.23 (0.26)
z Score 464 0.50 (0.92) 464 0.28 (0.27) 464 0.07 (0.94)
Left main coronary artery anterior-posterior diametera
Dimension, cm 358 0.27 (0.05) 362 0.26 (0.05) 369 0.26 (0.05)
z Score 358 0.51 (0.93) 362 0.35 (0.85) 369 0.19 (0.89)
Anterior-posterior diameters of coronary arteries, cm
Posterior descendinga 205 0.14 (0.12) 202 0.15 (0.13) 203 0.12 (0.08)
Distal anterior descending a 348 0.18 (0.04) 352 0.17 (0.04) 351 0.18 (0.12)
Circumflexa 315 0.16 (0.04) 324 0.17 (0.11) 326 0.16 (0.10)
Aortic root anterior-posterior diametera
Dimension, cm 333 1.78 (0.33) 338 1.81 (0.34) 342 1.83 (0.33)
z Score 333 0.49 (0.96) 338 0.61 (0.89) 342 0.60 (0.88)
Left ventricular ejection fraction, mean (SD)a 152 0.62 (0.06) 172 0.65 (0.05) 169 0.64 (0.05)
a

These data were available for Boston, Massachusetts, patients only.