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Table 2 Effect of prevalence of louse-borne relapsing fever on sociodemographic characteristics of patients admitted with LBRF- like symptoms and seasonal variation at Felegehiwot referral hospital from 2009–2012

From: Louse-borne relapsing fever profile at Felegehiwot referral hospital, Bahir Dar city, Ethiopia: a retrospective study

Characteristic Prevalence of louse-borne relapsing fever P value
*LBRF positive LBRF negative Total
No (%) No (%) No (%)
Age group in years     P < 0.861
  1-10 22 (4.9) 425 (95.1) 447 (9.8)
  11-20 171 (5.1) 3217 (94.9) 3388 (74.3)
  21-30 28 (4.6) 575 (95.3) 603 (13.2)
  31-40 4 (3.7) 103 (96.2) 107 (2.3)
  ≥ 41 0 14 (100) 14 (0.3)
Total 225 (4.9) 4334 (95.1) 4559 (100)
Sex     P < 0.843
  Male 207 (5) 3971 (95) 4178 (91.6)
  Female 18 (4.7) 363 (95.3) 381 (8.4)
Total 225 (4.9) 4334 (95.1) 4559 (100)
Residence     P < 0.647
  Urban 214 (5) 4091 (95) 4305 (94.4)
  Rural 11 (4.3) 243 (95.7) 254 (5.6)
Total 225 (4.9) 4334 (95.1) 4559 (100)
Seasonal variation     P < 0.001
  Dry 27 (9.7) 251 (90.3) 278 (6.1)
  Wet 198 (4.6) 4083 (95.4) 4281 (93.9)
Total 225 (4.9) 4334 (95.1) 4559 (100)
  1. *LBRF: - Louse-borne relapsing fever positive by microscopy for Borellia spp.
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