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Evaluation of radiographic parameters for spinopelvic imbalance measurement on coronal image. The radiographic parameters included (A) shoulder height differences (SHD, double big arrow), (B) iliac crest height differences (ICHD, asterix), leg length discrepancy (LLD, star), pelvic oblique angle (POA) indicates angle (double circle, @) between horizontal line (HRL, big open arrow) and pelvic coronal reference line (PCRL, narrow arrow).
