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Table 1 Classification of IPA origin between gas-forming IPA and non-gas forming IPA patients

From: Features and treatment modality of iliopsoas abscess and its outcome: a 6-year hospital-based study

 

Gas-forming IPA (n = 27)

Non-gas forming IPA (n = 61 )

Origin (Primary:Secondary)

3:24

18:43

Skeletal

11 (40.7%)

26 (42.6%)

Vertebral osteomyelitis/spondylodiskitis

10

17

Ilio-sacral joint septic arthritis

0

7

Hip septic arthritis

1

2

Intra-abdominal

1 (3.7%)

4 (6.6%)

Necrotizing pancreatitis

0

2

Appendicitis

0

1

Colon cancer with abscess

1

0

Post GI procedure

0

1a

Cardiovascular

6 (22.2%)

5 (8.2%)

Abdominal aortic aneurysm post-stent implantation

2

2

Infected aortic aneurysm

2

0

Infective endocarditis

0

3

Catheter related

2

0

Urinary tract

5 (18.5%)

5 (8.2%)

Acute pyelonephritis

2b

2c

Post GU procedure

3d

2e

Prostate abscess

0

1

Post gynecologic procedure

0

1f (1.6%)

Empyema with downward extension

0

2 (3.3%)

Limb necrotizing fasciitis

1 (3.7%)

0

  1. aPost appendectomy and colocutaneous fistula repair.
  2. bIncluding 2 EPN.
  3. c Including 1 EPN.
  4. dIncluding 1 post nephrectomy, 1 post Bench surgery, and 1 renal stone post ESWL.
  5. eIncluding 2 post nephrectomy.
  6. fEndometrioid cancer post operation.
  7. EPN, emphysematous pyelonephritis; ESWL, extracorporeal shock wave lithotripsy; GI, gastrointestinal; GU, genitourinary.