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Table 3 Characteristics of N = 82,877 patients and the corresponding N* = 1,518 quarterly-clinic cohorts, from a cross-sectional survey conducted in Malawi between 04/2008-05/2009

From: Strategies for monitoring and evaluation of resource-limited national antiretroviral therapy programs: the two-phase design

Patients Quarterly-clinic cohorts
  N %   N* %
Total 82,887   Total 1,518  
Age, years    Average age, years   
 16-25 9,246 11.2  ≤30 62 4.1
 26-35 33,035 39.9  31-35 344 22.7
 36-45 25,834 31.2  36-40 921 60.7
 46-55 10,723 12.9  41-45 137 9.0
 56-65 3,441 4.2  46-50 31 2.0
 >65 608 0.7  >50 23 1.5
Gender    Percent female   
 Male 32,322 39.0  0% 114 7.5
 Female 50,565 61.0  1-40% 123 8.1
     41-50% 201 13.2
     51-60% 339 22.3
     60-99% 606 39.9
     100% 135 8.9
WHO stage    Percent WHO stage 3/4   
 1/2 4,732 5.7  ≤90% 255 16.8
 3/4 78,155 94.3  >90% 1,263 83.2
Region    Region   
 Central/North 34,931 42.1  Central/North 720 47.4
 South 47,956 57.9  South 798 52.6
Year of registration   Year of registration   
 2005 15,752 19.0  2005 334 22.0
 2006 30,074 36.3  2006 560 36.9
 2007 37,061 44.7  2007 624 41.1
Clinic type    Clinic type   
 Public 80,490 97.1  Public 1,217 80.2
 Private 2,397 2.9  Private 301 19.8