Patient demographics and operation characteristics
blood loss
BLOOD LOSS
A total of 100 patients were included in the study, including 1 patient who refused to participate in the study, 5 patients who withdrew midway (3 patients were converted to thoracotomy, and 2 patients were lost during follow-up). The final statistics included 94 patients, 46 in group A and 48 in group B. There were no significant differences in age, height, weight, BMI, gender, ASA classification, operation time and blood loss between the two groups (P > 0.05), as shown in Table 
Patient demographics and operation characteristics