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Fig. 1 | BMC Surgery

Fig. 1

From: Preoperative risk factors predict perioperative allogenic blood transfusion in patients undergoing primary lung cancer resections: a retrospective cohort study from a high-volume thoracic surgery center

Fig. 1

Study flow chart illustrating patient enrollment at study entry. Of 2260 patients undergoing thoracic surgery, 1647 (72.9%) patients underwent minor lung resections or non-pulmonary resections. Eighty-four (3.7%) patients experiencing intrathoracic sarcoma, mesothelioma, unclassifiable tumors, pulmonary metastatic lesions, and benign lung tumors, infectious or congenital processes were excluded from the study, thus 529 of 2260 patients (23.4%) with primary resectable lung tumors were included. Based on the need for ABT, patients were categorized into two groups: Control group (469 patients, 88.7%) without need for postoperative blood administration, and ABT group (60 patients, 11.3%) with postoperative ABT requirements

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BMC Surgery

ISSN: 1471-2482

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