Table 2 Comparison of general data and laboratory indices between the treatment and control groups before the intervention
Treatment group (n = 30) | Control group (n = 30) | |||||||
|---|---|---|---|---|---|---|---|---|
n | Mean (SD) | n | Mean (SD) | χ2-value | z-value | t-value | p-value | |
Age | 57.77 (9.02) | 60.43 (9.06) | – | – | −1.14 | 0.26 | ||
Gender | 0.07 | – | – | 0.79 | ||||
Male | 12 | 11 | ||||||
Female | 18 | 19 | ||||||
BMI | 26.11 (3.61) | 26.51 (3.06) | – | – | −0.46 | 0.64 | ||
Surgical segment (number) | 2.40 (0.56) | 3.00 (0.52) | – | −3.89 | – | 0.09 | ||
Surgery duration (min) | 175.67 (42.48) | 180.67 (30.05) | – | – | −0.53 | 0.60 | ||
Blood loss (mL) | 282.33 (92.87) | 337.33 (131.20) | – | −1.58 | – | 0.11 | ||
Laboratory indexes | ||||||||
WBC (10^9/L) | 5.97 (1.55) | 5.91 (1.42) | – | – | 0.16 | 0.87 | ||
RBC (10^9/L) | 4.63 (0.46) | 4.54 (0.49) | – | – | 0.73 | 0.47 | ||
Hb (g/L) | 140.33 (15.40) | 140.30 (14.42) | – | – | 0.01 | 0.99 | ||