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Table 2 Clinical features, laboratory results and imaging findings

From: Comparison of clinical characteristics and outcomes of pyogenic liver abscess patients < 65 years of age versus ≥ 65 years of age

  Total N = 332 Under 65 N = 250 Over 65 N = 82 P value
Symptoms and signs (n, % or mean ± S.D.)
 Fever 292(88.0%) 221(88.4%) 71(86.6%) 0.661
 Chills 170(51.2%) 131(52.4%) 39(47.6%) 0.447
 Abdominal pain 144(43.4%) 105(42.0%) 39(47.6%) 0.378
 Nausea 77(23.2%) 50(20.0%) 27(32.9%) 0.016
 Vomit 50(15.1%) 30(12.0%) 20(24.4%) 0.006
 Fatigue 55(16.6%) 44(17.6%) 11(13.4%) 0.376
 Temperature (°C) 37.3 ± 1.1 37.3 ± 1.1 37.1 ± 1.0 0.062
 Respiratory rate 19.8 ± 1.8 19.8 ± 1.8 19.5 ± 1.7 0.149
 Heart rate 85.3 ± 13.3 86.1 ± 13.5 82.7 ± 12.5 0.042
 Mean arterial pressure (mmHg) 89.8 ± 25.2 88.6 ± 25.5 93.6 ± 24.1 0.116
Laboratory results (mean ± S.D.)
 Leucocytes (× 109/L) 11.1 ± 5.7 10.8 ± 5.0 12.2 ± 7.4 0.123
 Neutrophils (×109/L) 9.0 ± 5.5 8.7 ± 4.8 10.0 ± 7.1 0.136
 Hemoglobin (g/L) 112.1 ± 19.7 112.4 ± 19.8 111.1 ± 19.7 0.624
 Platelet count (× 109/L) 227.6 ± 127.4 231.5 ± 133.1 215.9 ± 108.4 0.342
 ALT (U/L) 64.1 ± 103.8 62.3 ± 91.3 69.8 ± 135.5 0.569
 AST (U/L) 55.2 ± 139.3 50.6 ± 93.8 69.2 ± 227.7 0.295
 ALP (U/L) 195.0 ± 136.2 197.2 ± 137.3 188.1 ± 133.4 0.600
 GGT (U/L) 165.0 ± 158.3 159.2 ± 148.6 182.5 ± 184.3 0.248
 TBIL (μmol/L) 20.7 ± 25.1 21.6 ± 27.8 18.1 ± 14.3 0.277
 DBIL (μmol/L) 11.0 ± 17.4 11.7 ± 19.4 9.0 ± 8.2 0.210
 ALB (g/L) 30.6 ± 5.9 30.8 ± 5.8 29.9 ± 5.9 0.200
 Cr (umol/L) 65.9 ± 49.8 65.4 ± 49.8 67.1 ± 50.1 0.780
 BUN (mmol/L) 5.1 ± 3.0 4.9 ± 3.1 5.6 ± 2.7 0.088
 PT (s) 14.6 ± 1.8 14.5 ± 1.5 15.0 ± 2.5 0.127
 APTT (s) 38.7 ± 5.7 38.6 ± 5.5 38.9 ± 6.2 0.700
 INR 1.2 ± 0.2 1.2 ± 0.1 1.2 ± 0.3 0.106
 FIB (g/L) 6.0 ± 1.9 6.1 ± 1.9 5.8 ± 1.8 0.198
Imaging findings (n, % or mean ± S.D.)
 Single lesion 244(73.5%) 184(73.6%) 60(73.1%) 0.939
 Multiple lesions 88(26.5%) 66(26.4%) 22(26.8%)
 Maximal diameter of abscess (cm) 6.6 ± 2.8 6.6 ± 2.8 6.9 ± 2.8 0.406
 Gas formation 56(16.9%) 40(16.0%) 16(19.5%) 0.461
 Abscess location N = 297 N = 229 N = 68  
  Left lobe 45(15.2%) 34(14.9%) 11(16.2%) 0.307
  Right lobe 211(71.0%) 167(72.9%) 44(64.7%)
  Both-lobes 41(13.8%) 28(12.2%) 13(19.1%)
  1. ALT Alanine Transaminase, AST Aspartate Transaminase, ALP Alkaline Phosphatase, GGT Gamma-Glutamyl Transpeptidase, TBIL Total bilirubin, DBIL Direct bilirubin, ALB Albumin, Cr Creatinine, BUN Blood Urea Nitrogen, PT Prothrombin Time, APTT Activated Partial Thromboplastin Time, INR International Normalized Ratio, FIB Fibrinogen