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Table 5 Risk factors assessment for HCV infection

From: Prevalence of hepatitis-C virus genotypes and potential transmission risks in Malakand Khyber Pakhtunkhwa, Pakistan

    Genotype Total
Risk factors    1a 1b 3a 3b Mixed Untypable
  Barbers Count 6 1 31 3 5 14 60
% prevalence within Risk factor 10.0% 1.7% 51.7% 5.0% 8.3% 23.3% 100.0%
% prevalence within Genotype 40.0% 11.1% 15.5% 12.0% 22.7% 31.1% 19.0%
Blood transfusion Count 3 4 23 6 11 4 51
% prevalence within Risk factor 5.9% 7.8% 45.1% 11.8% 21.6% 7.8% 100.0%
% prevalence within Genotype 20.0% 44.4% 11.5% 24.0% 50.0% 8.9% 16.1%
Medical surgeries Count 5 2 45 9 2 14 77
% prevalence within Risk factor 6.5% 2.6% 58.4% 11.7% 2.6% 18.2% 100.0%
% prevalence within Genotype 33.3% 22.2% 22.5% 36.0% 9.1% 31.1% 24.4%
Needles/syringes Count 0 2 88 5 4 7 106
% prevalence within Risk factor 0.0% 1.9% 83.0% 4.7% 3.8% 6.6% 100.0%
% prevalence within Genotype 0.0% 22.2% 44.0% 20.0% 18.2% 15.6% 33.5%
Unknown Count 1 0 14 2 0 5 22
% prevalence within Risk factor 4.5% 0.0% 63.6% 9.1% 0.0% 22.7% 100.0%
% prevalence within Genotype 6.7% 0.0% 7.0% 8.0% 0.0% 11.11% 7.0%
  Total count 15 9 200 25 22 45 316
% prevalence within Risk factor 4.7% 2.8% 63.3% 7.9% 7.0% 14.2% 100.0%
p-value for within Genotype risk comparison N/Aa N/Aa 0.000 0.199 0.042b 0.044 100.0%
  1. a Insufficient data, therefore, Chi-Square test of equal proportion cannot be applied
  2. b The category ‘Unkown’ is ignored while the calculation of the Chi-Square statistic and corresponding P-value
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