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Table 3 ARTI visits in the United States, 2000 and 2010

From: Outpatient antibiotic prescribing in the United States: 2000 to 2010

Visit rates (per 1,000 persons)a 2000 2010 Risk ratio (95% CI)
United States population 239 193 0.81 (0.67 to 0.98)
Children and adolescents (<18) 359 302 0.84 (0.72 to 0.97)
 0 to 4 481 323 0.67 (0.58 to 0.77)
 5 to 17 296 292 0.99 (0.84 to 1.16)
Adults (18 to 64) 207 172 0.83 (0.68 to 1.02)
 18 to 49 216 198 0.92 (0.76 to 1.11)
 50 to 64 185 125 0.68 (0.54 to 0.85)
Older adults (≥65) 137 114 0.83 (0.65 to 1.07)
 65 to 79 148 126 0.85 (0.67 to 1.08)
 ≥80 104 79 0.76 (0.57 to 1.02)
  1. aARTI visits were outpatient visits with one or more of the following ICD-9-CM codes: bronchitis, 466 and 490; pharyngitis, 034, 462, and 463; sinusitis, 461 and 473; acute nasopharyngitis and upper respiratory tract infection, 460 and 465; and influenza, 480, 487, and 488. ARTI, acute respiratory tract infection; 95% CI, 95% confidence interval.