Table 1.
Patient demographic data.
| Group A (n = 29) | Group B (n = 29) | p-value | |
|---|---|---|---|
| Age (years) | 59 ± 8 | 60 ± 6 | 0.414 |
| Sex (male/female) | 12/17 | 11/18 | 0.788 |
| ASA (Ⅰ/Ⅱ/Ⅲ) | 1/26/2 | 1/25/3 | 0.896 |
| Height (cm) | 165.9 ± 6.7 | 164.1 ± 7.7 | 0.289 |
| Weight (kg) | 65.7 ± 10.7 | 66.6 ± 9.3 | 0.734 |
| BMI (kg.m-2) | 23.8 ± 3.0 | 24.7 ± 3.0 | 0.246 |
| Surgical site (left/right) | 12/17 | 13/16 | 0.791 |
| Duration of surgery (min) | 130 ± 15 | 129 ± 17 | 0.865 |
| Duration of OLV (min) | 104 ± 13 | 102 ± 16 | 0.575 |
| FEV1 (L) | 2.6 ± 0.6 | 2.4 ± 0.7 | 0.378 |
| FVC (L) | 3.2 ± 0.6 | 3.1 ± 0.8 | 0.561 |
| FEV1/FVC (%) | 80.8 ± 9.1 | 78.6 ± 9.5 | 0.239 |
Values are expressed as mean ± SD for continuous variables and two independent samples t-test is used for inter-group comparisons; Values are expressed as the number of patients for categorical variables and the Chi-Square test is used for inter-group comparisons.
Group A is the experimental group; Group B is the control group.
ASA, American Society of Anesthesiologists physical status; BMI, Body Mass Index; OLV, One-Lung Ventilation; FEV1, Forced Expiratory Volume in the first second; FVC, Forced Vital Capacity.