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Table 2 Demographic data of cholangiocarcinoma patients and non-cholangiocarcinoma population

From: Ultrasound screening for cholangiocarcinoma could detect premalignant lesions and early-stage diseases with survival benefits: a population-based prospective study of 4,225 subjects in an endemic area

Demographic data Total Cholangiocarcinoma patients (32 cases) Non- cholangiocarcinoma population (4,193 cases) P value
Any treatment for liver flukes from physicians/public health personnel 4,129 27 4,102 0.233b
 Ever 1,441 7 1,434  
(34.9) (25.9) (35.0)
 Never 2,576 18 2,558  
(62.4) (66.7) (62.3)
 Unknown 112 2 110  
(2.7) (7.4) (2.7)
Raw freshwater fish/shrimp/snail consumption 4,218 27 4,191 0.568a
 Yes 526 2 524  
(12.5) (7.4) (12.5)
 No 3,692 25 3,667  
(87.5) (92.6) (87.5)
  1. a Fisher’s exact test
  2. b Pearson’s χ 2 test
  3. c Mann-Whitney U test