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Table 2 Comparison of patient characteristics between initial treatment with antibiotics alone, PCD, or surgery

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

  Antibiotics (n = 24) PCD (n = 36) Surgery (n = 28) Pvalue
  Mean±SD Mean±SD Mean±SD
Age (years) 72.0±13.8 59.6±15.6 60.0±14.6 0.005*
Sex (F:M) 15:9 23:13 20:8 0.752
Gas-forming IPA 18 (75.0%) 23 (63.9%) 20 (71.4%) 0.631
Bilateral 10 (41.7%) 10 (27.8%) 9 (32.1%) 0.530
Multiloculated IPA collection pattern 17 (70.8%) 33 (91.7%) 24(85.7%) 0.093
Mean maximal transverse IPA cavity diameter on CT (cm) 2.2 ±1.5 5.2 ±2.1 4.0±2.2 <0.0001*
DM 10 (41.7%) 13 (36.1%) 11 (39.3%) 0.907
Hypertension 8 (33.3%) 12 (33.3%) 13 (46.4%) 0.497
CKD 9 (37.5%) 7 (19.4%) 3 (10.7%) 0.060
Malignancy 4 (16.7%) 9 (25.0%) 4 (14.3%) 0.520
Liver cirrhosis 4 (16.7%) 6 (16.7%) 2 (7.1%) 0.479
Fever or hypothermia 20 (83.3%) 31 (86.1%) 23 (82.1%) 0.905
Severe sepsis 18 (75.0%) 29 (80.6%) 21 (75.0%) 0.830
WBC (/μL) 18900±9428 17672 ±9018 15354±7426 0.344
Bandemia (No. of patients) 12 (50.0%) 17 (47.2%) 9 (32.1%) 0.353
Hb (g/dL) 10.8±2.4 10.7 ±2.3 10.7±2.7 0.996
Platelet (×103/μL) 185.5±140.9 309.2 ±179.0 255.6±144.8 0.016*
BUN (mg/dL) 65.6±67.1 36.8 ±37.1 32.4±28.0 0.041*
Creatinine (mg/dL) 3.5±4.0 2.2 ±2.0 1.43±0.9 0.037*
ALT (U/L) (n = 24 vs 35 vs 28) 106.3±250.6 51.0 ±77.7 80.1±244.9 0.768
Na (mEq/L) 132.3±8.5 133.4 ±5.6 135.0±5.5 0.258
K (mEq/L) 4.4±1.0 4.0 ±0.5 4.1±0.7 0.223
CRP (mg/L) 16.0±10.5 21.9 ±10.1 19.3±12.2 0.083
CK (U/L) (n = 22 vs 29 vs 25) 539.3±1711.5 175.6 ±302.3 183.1±535.1 0.309
Initial blood glucose (mg/dL) (n = 24 vs 34 vs 28) 180.0±116.0 208.0 ±151.3 155.3±88.6 0.369
Primary:Secondary origin 8:16 8:28 5:23 0.408
Mortality 12 (50.0%) 8 (22.2%) 2 (7.1%) 0.002*
Length of hospital stay (days) 19.4±15.2 44.9 ±55.3 38.8±19.5 0.001*
  1. *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; PCD, percutaneous drainage; SD, standard deviation; WBC, white blood cells.