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Volume 16, Number 9—September 2010

Dispatch

KI and WU Polyomaviruses and CD4+ Cell Counts in HIV-1–infected Patients, Italy

Muhammed Babakir-Mina, Massimo Ciccozzi, Francesca Farchi, Massimiliano Bergallo, Rossana Cavallo, Gaspare Adorno, Carlo Federico Perno, and Marco CiottiComments to Author 
Author affiliations: Author affiliations: Foundation University Hospital Tor Vergata, Rome, Italy (M. Babakir-Mina, G. Adorno, C.F. Perno, M. Ciotti); Istituto Superiore di Sanita’, Rome (M. Ciccozzi, F. Farchi); University of Turin, Turin, Italy (M. Bergallo, R. Cavallo)

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Table 1

Characteristics of 153 HIV+ persons tested for infection with WU and KI polyomaviruses, Italy, 2004–2009*†

Characteristic WUPyV+, n = 7 WUPyV–, n = 146 KIPyV+, n = 4 KIPyV–, n = 149
CD4+ cells/µL
<200 1 (14.3) 45 (30.8) 46 (30.9)
>200 6 (85.7) 101 (69.2) 4 (100) 103 (69.1)
Median (95% CI)
308 (248–523)
282 (153–378)
356 (270–517)
281 (154–378)
Virus load, copies/reaction
<100,000 7 (100) 99 (67.8) 2 (50) 104 (69.8)
>100,000 47 (32.2) 2 (50) 45 (30.2)
Median (95% CI)
3,210 (108–36,895)
37,460 (5,490−152,000)
60,636 (2,791–246,500)
34,905 (4,980–145,200)
Co-infection
Yes 2‡ (28.6) 29 (19.9) 2§ (50) 29 (19.5)
No 5 (71.4) 117 (80.1) 2 (50) 120 (80.5)

*Values are no. (%) unless otherwise indicated. WUPvV, WU polyomavirus; KIPyV, KI polyomavirus; CI, confidence interval.
†Of the 153 persons tested, 115 (75.2%) were men, 38 (24.8%) women. A total of 130 blood donors (104 [80%] men, 26 [20%] women) were also tested; 1 (0.8%) was WUPyV+ and 4 (3.1%) were KIPyV+.
‡Co-infection with hepatitis virus.
§Co-infection with hepatitis C virus and hepatitis B virus.

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