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Table 1 Characteristics of cryptosporidiosis cases and matched controls

From: Endemic cryptosporidiosis and exposure to municipal tap water in persons with acquired immunodeficiency syndrome (AIDS): A case-control study

  Cases (n = 49) Controls (n = 99)  
Characteristic N (%) N (%) Total
Age (years)      
   20 to 29 7 (14) 9 (9) 16
   30 to 39 22 (45) 53 (54) 75
   40 to 49 16 (33) 31 (31) 47
   50 to 59 4 (8) 6 (6) 10
Gender      
   Males 48 (98) 97 (98) 145
   Females 1 (2) 2 (2) 3
Race/ethnicity      
   White 34 (69) 70 (71) 104
   African-American 6 (12) 11 (11) 17
   Latino 9 (18) 8 (18) 27
   Other 0 (0) 0 (0) 0
Sexual orientation      
   Gay/Bisexual 45 (92) 93 (94) 138
   Heterosexual 1 (2) 6 (6) 7
   Unknown 3 (6) 0 (0) 3