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Table 2 Intraoperative and radiographic measurements for all patients

From: Cup orientation following posterior approach THA – the effect of different visual aids and pelvic supports

Parameter Value
Radiographic inclination 41° ± 7
Radiographic anteversion 22° ±6
Optimum inclination (30°-50°) (n,%) 138 (92%)
Optimum anteversion (10°-30°) (n,%) 138 (92%)
Optimum inclination and anteversion (n,%) 126 (84%)
Intra-operative inclination (IOI) 35° ± 4
True operative cup inclination (TOI) 37° ± 5
ΔPelvicPosition (= TOI – IOI) 2° ± 5
ΔDefinition (= RI – TOI) 4° ± 2