Correlation of postoperative inflammatory markers and clinical outcomes with intraoperative carbon dioxide pneumoperitoneum pressure levels in laparoscopic appendectomy

Table 1 Baseline characteristics of the four study groups, n (%)/mean ± SD

Variable	Group A (n = 55)	Group B (n = 54)	Group C (n = 53)	Group D (n = 55)	P value
Age (years)	38.2 ± 11.5	39.1 ± 10.9	37.8 ± 12.0	38.5 ± 11.3	0.742
Sex (male)	28 (50.9)	29 (53.7)	28 (52.8)	30 (54.5)	0.821
BMI (kg/m2)	23.5 ± 2.8	23.8 ± 2.6	23.3 ± 2.9	23.6 ± 2.7	0.689
ASA I/II (n)	30/25	28/26	29/24	31/24	0.953
Disease duration (hour)	14.2 ± 5.3	13.9 ± 5.6	14.5 ± 5.1	14.0 ± 5.4	0.862
Preop WBC (× 109/L)	14.52 ± 1.24	14.78 ± 1.11	14.27 ± 1.13	14.30 ± 1.34	0.103
Preop PCT (ng/mL)	2.32 ± 0.41	2.06 ± 0.48	2.17 ± 0.51	2.19 ± 0.60	0.056

BMI: Body mass index; ASA: American Society of Anesthesiologists; WBC: White blood cell; PCT: Procalcitonin.