Skip to main content

Table 2 Surgical outcomes for patients with simple appendicitis (AAST grade I) and complicated appendicitis (AAST grade ≥ II) classified by indwelling abdominal drainage status

From: The necessity of abdominal drainage for patients with complicated appendicitis undergoing laparoscopic appendectomy: a retrospective cohort study

 

Simple appendicitis (AAST I, n = 820)

Complicated appendicitis (AAST II/III/IV/V, n = 421)

 

 + drainage (N = 82)

− drainage (N = 738)

P value

 + drainage (N = 192)

− drainage (N = 229)

P value

P value1

Surgical time, mins, [median (Q1, Q3)]

44.00 (35, 59)

45.00 (30, 57)

0.1190

65.00 (50, 80)

60.00 (50, 91.5)

0.0357

 < 0.0001

Method of stump closure, n (%)

  

 < 0.0001

  

 < 0.0001

 < 0.0001

Endostapler

6 (7.32)

54 (7.32)

 

26 (13.54)

72 (31.44)

  

Endoloop (SurgiTie®)

45 (54.88)

193 (26.15)

 

81 (42.19)

39 (17.03)

  

Hem-o-lok® clips

23 (28.05)

456 (61.79)

 

66 (34.38)

105 (45.85)

  

Intracorporeal suture

4 (4.88)

14 (1.90)

 

15 (7.81)

8 (3.49)

  

Endoclips

4 (4.88)

21 (2.85)

 

4 (2.08)

5 (2.18)

  

The Clavien–Dindo Classification of complications, n (%)

  

0.0431

  

0.9960

0.1465

I/II

6 (85.71)

21 (95.45)

 

55 (82.09)

32 (82.05)

  

III/IV

1 (14.29)

1 (4.55)

 

12 (17.91)

7 (17.95)

  

Complications Wound infection, n (%)

12 (14.63)

43 (5.83)

0.0025

26 (13.54)

26 (11.35)

0.4968

0.0008

Intra-abdominal abscess, n (%)

1 (1.22)

0 (0.00)

0.1000

7 (3.65)

5 (2.18)

0.3941

 < 0.0001

Ileus, n (%)

2 (2.44)

3 (0.41)

0.0809

29 (15.10)

10 (4.37)

0.0002

 < 0.0001

Time to resume a soft diet, hrs [median (Q1, Q3)]

20.38 (10.70, 24.07)

16.25 (11.73, 39.85)

0.0044

46.95 (13.08, 38.48)

22.07 (20.00, 81.25)

 < 0.0001

< 0.0001

Postoperative hospitalization, hrs [median (Q1, Q3)]

63.24 (38.33,63.58)

52.41 (47.60, 103.13)

 < 0.0001

115.65 (52.12, 98.85)

68.42 (81.29, 161.45)

 < 0.0001

< 0.0001

Readmission, n (%)

3 (3.66)

4 (0.54)

0.0251

4 (2.08)

4 (1.75)

 > 0.9999

0.1102

  1. 1 P value was calculated between simple appendicitis (AAST I) and complicated appendicitis (AAST II/III/IV/V)
  2. AAST, The American Association for the Surgery of Trauma