Skip to main content

Table 3 Regression coefficients (with 95% CIs; boldface indicates statistical significance) in eq. 1 for the different covariates in the model given by eq. 1 for different age groups. The coefficients for the different antibiotic classes estimate the change in the annual septicemia hospitalization rates (per 10,000 individuals in a given age group) when the annual rate of outpatient prescribing of the corresponding oral antibiotic class (per 1000 residents) increases by 1. ND = not done because persons > 64 years old are eligible for Medicare

From: Levels of outpatient prescribing for four major antibiotic classes and rates of septicemia hospitalization in adults in different US states - a statistical analysis

  Aged 18-49y Aged 50-64y Aged65-74y Aged 75-84y Aged 85 + y
Fluoroquinolones (prescription per 1000 residents/y) 0.08 (−0.07,0.22) 0.18 (− 0.15,0.51) 0.36 (− 0.3,1) 0.7 (− 0.45,1.9) 1.3 (−1.1,3.7)
Penicillins (prescription per 1000 residents/y) 0.04 (− 0.03,0.12) 0.19 (0.02,0.37) 0.48 (0.12,0.84) 0.81 (0.17,1.4) 1.2 (−0.14,2.5)
Cephalosporins (prescription per 1000 residents/y) −0.02 (− 0.09,0.05) −0.03 (− 0.19,0.13) −0.08 (− 0.42,0.25) −0.28 (− 0.88,0.31) −0.69 (− 1.9,0.51)
Macrolides (prescription per 1000 residents/y) − 0.03 (− 0.11,0.04) −0.12 (− 0.29,0.04) −0.26 (− 0.6,0.08) −0.39 (− 0.99,0.22) −0.55 (− 1.8,0.7)
Median household income ($1000) − 0.09 (− 0.29,0.1) −0.17 (− 0.58,0.24) 0.31 (− 0.5,1.1) 1.2 (− 0.24,2.6) 3.3 (0.42,6.2)
Average minimal daily temperature (°F) 0.2 (0,0.39) 0.57 (0.12,1) 0.78 (−0.14,1.7) 1.6 (0.03,3.2) 3.9 (0.59,7.3)
Percent African Americans −0.05 (− 0.22,0.12) 0.15 (− 0.28,0.59) 0.79 (− 0.23,1.8) 2.3 (0.32,4.2) 5.3 (1.1,9.5)
Percent lacking health insurance 0 (−0.25,0.24) − 0.16 (− 0.91,0.59) ND ND ND