Table 1 Descriptive data on children with suspected appendicitis who underwent either two- or three-trocar laparoscopic appendectomy

Males/Females

50/41 (55/45)

94/75 (56/44)

1.000^c

Age (years)

10.3 ± 3.3

10.5 ± 2.8

0.652^d

 4 years

5 (5)

4 (2)

0.293^c

 5–9 years

24 (27)

47 (28)

0.882^c

 10–14 years

62 (68)

117 (70)

0.881^c

 4 years

15 (15–17)

16 (14–18)

X

 5–9 years

27 (17–38)

27 (14–45)

0.966^d

 10–14 years

48 (24–72)

50 (26–87)

0.062^d

Time from admission to appendectomy (h)

4 (1–41)

4 (0.5–34)

0.412^c

Duration of symptoms (h)

24 (2–240)

24 (3–168)

0.314^e

CRP value (mg/L)

12 (0–263)^a

21 (0–365)^b

0.071^e

Leucocytosis

53 (58)

93 (55)

0.691^c

Fever > 38 °C

32 (35)

71 (42)

0.294^c

 Phlegmonous

56 (92)

114 (68)

0.341^c

 Gangrenous

9 (10)

21 (13)

0.682^c

 Perforated

5 (5)

14 (8)

0.462^c

 Negative appendectomy

21 (23)

19 (11)

0.023^c

Long-term follow-up (months)

47 ± 30

38 ± 28

0.023^d