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Table 2 Broad-spectrum prescribing for ARTIs, 2000 and 2010

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

Antibiotic prescription rates (per 1,000 antibiotic prescriptions)a,b 2000 2010 Risk ratio (95% CI)
United States population 289 675 2.34 (2.03 to 2.68)
Children and adolescents (<18) 273 436 1.81 (1.56 to 2.09)
 0 to 4 314 466 1.48 (1.28 to 1.71)
 5 to 17 237 516 2.18 (1.87 to 2.54)
Adults (18 to 64) 287 796 2.77 (2.42 to 3.17)
 18 to 49 274 766 2.80 (2.45 to 3.21)
 50 to 64 339 871 2.57 (2.27 to 2.91)
Older adults (≥65) 457 1030 2.25 (2.02 to 2.52)
 65 to 79 464 950 2.05 (1.83 to 2.28)
 ≥80 423 1416 3.35 (3.00 to 3.73)
  1. aBroad-spectrum antibiotics are defined per the National Committee for Quality Assurance which includes azithromycin, clarithromycin, fluoroquinolones, amoxicillin-clavulanate, and second- and third-generation cephalosporins; bARTI 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. ARTIs, acute respiratory tract infections; 95% CI, 95% confidence interval.