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Table 4 Comparison 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 Non-gas forming IPA Pvalue
  (n = 27) (n = 61 )
  Mean±SD Mean±SD
Age (years) 67.8±13.9 61.1±16.0 0.053
Sex (F:M) 14:13 44:17 0.064
Bilateral 14(51.9%) 15(24.6%) 0.012*
Multiloculated IPA collection patternf 25(92.6%) 49(80.3%) 0.211
Mean maximal transverse IPA cavity diameter on CT (cm) 4.21±1.79 3.87±2.51 0.166
DM 13(48.2%) 21(34.4%) 0.223
Hypertension 8(29.6%) 25(41.7%) 0.284
Uremiaf 3(11.1%) 8(13.1%) 1.000
CKD 5(18.5%) 14(23.0%) 0.641
Malignancy 4(14.8%) 13(21.7%) 0.456
Liver cirrhosisf 1(3.7%) 11(18.0%) 0.096
Fever or hypothermiaf 26(96.3%) 48(78.7%) 0.056
  (Including 2 hypothermia) (Including 4 hypothermia)  
Severe sepsis 27(100.0%) 26(67.2%) 0.002*
WBC (/μL) 20363±11077 15900±7059 0.132
Bandemia (No. of patients) 15(55.6%) 23(37.7%) 0.119
Hb (g/dL) 10±2.4 11±2.4 0.056
Platelet (×103/μL) 244.7±205.2 264.5±145.0 0.234
BUN (mg/dL) 55.4±55.0 37.9±41.9 0.053
Creatinine (mg/dL) 2.5±2.1 2.2±2.8 0.158
ALT (U/L) (n = 27 vs 60) 68.5±110.4 78.8±225.3 0.287
Na (mEq/L) 132.3±6.5 134.2±6.5 0.132
K (mEq/L) 4.3±0.8 4.1±0.7 0.178
CRP (mg/L) 217.8±92.8 184.8±116.9 0.168
CK (U/L) (n = 22 vs 54) 207.4±360.3 314.3±1150.0 0.439
Initial blood glucose (mg/dL) (n = 27 vs 59) 211.4±139.9 170.0±115.9 0.098
Primary:Secondary origin 3:24 18:43 0.062
Mortality 12(44.4%) 10(16.4%) 0.005*
Length of hospital stay (days) 37.6±32.8 35.3±41.6 0.906
  1. fFisher’s Exact Test. *P < 0.05.
  2. ALT, alanine aminotransferase; BUN, blood urea nitrogen; CK, creatine kinase; CKD, chronic kidney disease; CRP, C-reactive protein; CT, computed tomography; DM, diabetes mellitus; Hb, hemoglobin; IPA, iliopsoas abscess; K, potassium; Na, sodium; SD, standard deviation; WBC, white blood cells.