18 January 2021>: Clinical Research
Effect of Lung Recruitment Maneuvers on Reduction of Atelectasis Determined by Lung Ultrasound in Patients More Than 60 Years Old Undergoing Laparoscopic Surgery for Colorectal Carcinoma: A Prospective Study at a Single Center
Yujiao Yang 1ABCDEFG , Yuan Geng 1BC , Donghang Zhang 2E , Yong Wan 1E , Rurong Wang 2CEFG*DOI: 10.12659/MSM.926748
Med Sci Monit 2021; 27:e926748
Supplementary Table 2 Demographic data of the enrolled patients.
C group, n=20 | RM group, n=20 | P value | |
---|---|---|---|
Ages (years) | 69.5±6.2 | 66.4±4.6 | 0.075* |
Sex; Male (%) | 14 (70) | 16 (80) | 0.716** |
BMI (kg/m) | 22.7±2.3 | 22.3±2.2 | 0.848* |
Cigarette smoke (%) | 12 (60) | 13 (65) | 1.000** |
COPD (n) | 6 | 8 | 0.741** |
Asthma (n) | 4 | 3 | 1.000** |
None (n) | 12 | 10 | 0.374** |
ASA classification; II/III | 16/4 | 19/1 | 0.106** |
COPD – chronic obstructive pulmonary disease; ASA – American Society of Anesthesiologists; C – control; RM – alveolar recruitment maneuver. Data are presented as (%) for proportions and as the mean±SD for continuous variables. * test comparing differences within the individual study groups; ** Fisher’s exact test for comparisons between groups in each protocol step. |