Prevalence of Transfusion Transmitted Virus Infection in Hemodialysis Patients and Injection Drug Users Compared to Healthy Blood Donors in Isfahan, Iran

Table 2

Comparison of TTV positivity among the study groups.

	TTV positive	TTV negative	𝑃 value
Group I (𝑛=36)	6 (17)	30 (83)
Group II (𝑛=36)	21 (58)	15 (42)	<0.0001
Group III (𝑛=36)	3 (8)	33 (92)

Data presented number (%). Group I: hemodialysis patients; Group II: intravenous drug user diseases; Group III; healthy blood donors.
𝑃 values calculated with chi-square test. Statistical significance was observed between Groups 1 and 2 (𝑃 value < 0.0001) and Groups 2 and 3 (𝑃 value < 0.0001). Difference between Groups 1 and 2 was not statistically significant (𝑃 value = 0.47).