Table 4 Discharge diagnosis in the two periods of the study

Acute appendicitis

609 (16.0%)

356 (14.5%)

− 41.5%

< 0.0001

Acute cholecystitis

445 (11.7%)

310 (12.6%)

− 30.3%

Small bowel obstruction

379 (9.9%)

232 (9.5%)

− 38.8%

Complicated diverticulitis

268 (7.0%)

135 (5.5%)

− 49.6%

Complicated inguinal hernia

199 (5.2%)

110 (4.5%)

− 44.7%

Acute pancreatitis

174 (4.6%)

121 (4.5%)

− 30.5%

Complicated colon cancer

155 (4.1%)

114 (4.5%)

− 26.5%

Complicated gastritis/peptic ulcer

134 (3.5%)

88 (3.6%)

− 34.2%

Complicated ventral hernia

132 (3.5%)

84 (3.4%)

− 36.4%

CBD stones

129 (3.4%)

76 (3.1%)

− 41.1%

Gallstones

124 (3.3%)

61 (2.5%)

− 50.8%

Non-specific abdominal pain

112 (2.9%)

71 (2.9%)

− 36.6%

Perianal abscess/fistula/fissure

101 (2.7%)

69 (2.8%)

− 31.7%

Superficial collection

66 (1.7%)

52 (2.1%)

− 21.2%

Advanced cancer (any)

62 (1.6%)

28 (1.1%)

− 54.8%

Bowel ischaemia

56 (1.5%)

51 (2.1%)

− 8.9%

Constipation

45 (1.2%)

9 (0.4%)

− 80%

Small bowel cancer

38 (1.0%)

30 (1.2%)

− 21.1%

UTI/orchitis/epididymitis/torsion

30 (0.8%)

20 (0.8%)

− 33.3%

Postop bleeding

30 (0.8%)

1 (0.04%)

− 96.7%

Upper GI cancer

30 (0.8%)

17 (0.7%)

− 43.3%

Haemorrhoids/Prolapse

28 (0.7%)

26 (1.1%)

− 7.1%

Ischaemic limb

28 (0.7%)

21 (0.5%)

− 57.1%

Spontaneous PNX

28 (0.7%)

12 (0.5%)

− 57.1%

Pancreatic cancer

25 (0.7%)

8 (1.2%)

− 68.0%

Anastomotic leak

24 (0.6%)

19 (0.8%)

− 0.8%

Sigmoid/Caecal volvulus

22 (0.6%)

17 (0.7%)

− 22.7%

GORD / Hiatus hernia

22 (0.6%)

11 (0.4%)

− 50.0%

Goitre

22 (0.6%)

20 (0.8%)

− 9.1%

Anaemia

22 (0.6%)

21 (0.9%)

− 4.5%

IBD

20 (0.5%)

22 (0.9%)

+ 10.0%

Deep SSI

18 (0.5%)

6 (0.2%)

− 66.7%

Abdominal abscess

18 (0.5%)

19 (0.8%)

+ 5.6%

Stoma complication

16 (0.4%)

43 (1.8%)

+ 168.8%

Spontaneous haemoperitoneum

16 (0.4%)

6 (0.2%)

− 62.5%

Iatrogenic GI perforation

13 (0.3%)

9 (0.4%)

− 30.8%

Hepatobiliary cancer

11 (0.3%)

7 (0.3%)

− 36.4%

Benign large bowel obstruction

10 (0.3%)

10 (0.4%)

0%

Biliary fistula

8 (0.2%)

2 (0.1%)

− 75.0%

Superficial SSI

8 (0.2%)

6 (0.2%)

− 25.0%

Kidney stone

8 (0.2%)

3 (0.1%)

− 62.5%

PID / Endometriosis

8 (0.2%)

3 (0.1%)

− 62.5%

Medical sepsis

7 (0.2%)

3 (0.1%)

− 57.1%

Unspecified peritonitis

5 (0.1%)

2 (0.1%)

− 60.0%

Breast infection

5 (0.1%)

6 (0.2%)

+ 20.0%

Aortic aneurysm

4 (0.1%)

2 (0.1%)

− 50.0%

Enteric fistula

4 (0.1%)

6 (0.2%)

+ 50.0%

Liver abscess

4 (0.1%)

4 (0.2%)

0%

GIST

4 (0.1%)

4 (0.2%)

0%

Oesophageal varices

3 (0.1%)

4 (0.2%)

+ 33.3%

Small bowel perforation

3 (0.1%)

0

− 100.0%

Small bowel/large bowel bleeding

3 (0.1%)

3 (0.1%)

0%

Upper GI stricture

2 (0.1%)

23 (0.9%)

+ 1050.0%

Meckel

2 (0.1%)

1 (0.04%)

− 50.0%

Spleen/liver ischaemia, bleeding, cyst

2 (0.1%)

6 (0.2%)

− 200.0%

Gallstone ileus

2 (0.1%)

0

− 100.0%

Infective colitis/enteritis

0

1 (0.04%)

+ 100.0%

Bladder perforation

0

1 (0.04%)

Other

67 (1.8%)

70 (2.8%)

+ 4.5%

Missing

0

0