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Table 1 Demographic characteristics and physiological status at presentation according to the type of diagnosis. (Data are presented as actual number (n), mean ± Standard deviation or percentage (%) where appropriate. F: Female; M: Male; ASA; American Society of Anaesthesiologists: Type of Infection, Community acquired “CA” vs Healthcare-associated “HA”: NA: not applicable.)

From: Epidemiological analysis of intra-abdominal infections in Italy from the Italian register of complicated intra-abdominal infections—the IRIS study: a prospective observational nationwide study

Diagnosis

n

Age

Sex

Type of infection

Septic status at presentation

n

%

n

n (%)

Appendicitis

1296 (28.6%)

39.2 ± 19.9

F

CA 1273 (98.2%)

No sign of sepsis

878

67.7

   

555

HA 23 (1.8%)

   
   

M

 

Sepsis

400

30.9

   

741

 

Septic shock

18

1.39

Cholecystitis

683 (15.1%)

64.8 ± 17.4

F

CA 744 (93.1%)

No sign of sepsis

446

65.3

   

312

HA 47 (6.9%)

   
   

M

 

Sepsis

202

29.6

   

371

 

Septic shock

35

5.1

Gastro duodenal perforations

361 (7.97%)

60.9 ± 18.6

F

CA 340 (94.2%)

No sign of sepsis

113

31.3

   

135

HA 21 (5.8%)

   
   

M 226

 

Sepsis

202

55.9

     

Septic shock

46

12.7

Bowel occlusion

166 (3.67%)

70.5 ± 15.7

F

CA 152 (91.6%)

No sign of sepsis

159

95.7

   

77

HA 14 (8.4%)

   
   

M

 

Sepsis

5

3

   

89

 

Septic shock

2

1.2

Small bowel perforation

168 (3.71%)

60.4 ± 20.5

F

CA 136 (81%)

No sign of sepsis

78

46.4

   

91

HA 32 (19%)

   
   

M

 

Sepsis

52

30.9

   

77

 

Septic shock

38

22.6

Colonic perforation and diverticulitis

1601 (35.3%)

64.5 ± 15.9

F

CA 1148 (71.7%)

No sign of sepsis

704

43.9

   

773

HA 453 (28.3%)

   
   

M 828

 

Sepsis

638

39.8

     

Septic shock

259

16.2

Intestinal Ischemia

39 (0.86%)

69.7 ± 18.5

F

CA 34 (82%)

No sign of sepsis

25

64.1

   

17

HA 7 (18%)

   
   

M

 

Sepsis

5

12.8

   

22

 

Septic shock

9

23.1

Gynecological emergencies

22 (0.48%)

37.3 ± 14.4

F

CA 20 (91%)

No sign of sepsis

8

36.4

   

22

HA 2 (9%)

Sepsis

8

36.4

     

Septic shock

6

27.2

Pancreatitis

57 (1.26%)

64.1 ± 16.7

F

CA 55 (98.3%)

No sign of sepsis

49

85.9

   

80

HA 1 (1.7%)

   
   

M

 

Sepsis

3

8.8

   

27

 

Septic shock

5

5.3

Complicated abdominal wall hernia

135 (2.98%)

70.1 ± 15.4

F

CA 126 (93.3%)

No sign of sepsis

78

46.4

   

57

HA 9 (6.7%)

   
   

M

 

Sepsis

52

30.9

   

78

 

Septic shock

38

22.6