preoperative comorbidities
术前并存病
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Results 72.7% of the patients had preoperative comorbidities.
结果老年结直肠癌病人并存病达72。
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Results. There were no significant differences between groups for age, gender, diagnosis, comorbidities, preoperative curve magnitudes, or global balance.
结果：两组间在年龄，性别，诊断，合并症，术前侧弯度，和躯干平衡上午明显差异。
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