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Fig. 2 | BMC Anesthesiology

Fig. 2

From: Patients with gastroenteric tumor after upper abdominal surgery were more likely to require rescue analgesia than lower abdominal surgery

Fig. 2

Effect of tumor location and type of operation on frequent use of rescue analgesics after operation. Tumor location: A1: Single-factor analysis. A2: Add parameter operation type. A3: Add parameters operation type and intraoperative long-acting analgesics used. A4: Add parameters gender, age, BMI, operation time, operation type and intraoperative long-acting analgesics used. Type of operation: B1: Single-factor analysis. B2: Add parameter tumor location. B3: Add parameters tumor location and intraoperative long-acting analgesics used. B4: Add parameters gender, age, BMI, operation time, tumor location and intraoperative long-acting analgesics used

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