Table 1 Comparison Between the GPA-Group and UA-Group of Patients Characteristics and Preoperative Variables

Patient characteristics

Age

52(16–89)

41(16–81)

0.006

Male sex

57(67.1%)

40(60.6%)

0.412

Body mass index (kg/m²)

22.6(17.2–32.7)

22.5(15.8–33.1)

0.723

Previous history of appendicitis

6(7.1%)

6(9.1%)

0.647

Previous history of abdominal surgery

12(14.1%)

6(9.1%)

0.344

Laboratory findings

WBC (/µL)

14,500(2270–43,500)

12,850(4400–25,700)

0.069

CRP (mg/dL)

11.02(0.02–54.88)

1.83(0.02–27.50)

< 0.001

Plt (×10⁴/µL)

21.5(9.1–35)

22.6(9.6–41.5)

0.37

Bil (mg/dL)

1.1(0.2–5.1)

0.95(0.3–2.4)

0.025

Cre (mg/dL)

0.7(0.37–10.40)

0.69(0.30-10.45)

0.794

CT findings

Maximal diameter of the appendix (mm)

13(7–19)

11.5(6–19)

< 0.001

Presence of fecalith

68(80%)

34(51.5%)

< 0.001

Presence of periappendiceal fat stranding

73(85.9%)

38(57.6%)

< 0.001

Presence of free peritoneal fluid

16(18.8%)

6(9.1%)

0.072