Question: Mortality rate in patients with community acquired pneumonia is adversly affected by drug resistent pneumococcal only when minimum inhibitory concenteration (MIC) is greater than

A. > 0.5
B. > 2
C. > 4
D. > 1


Answer: C

Older age and underlying disease remain the most important factors influencing death from pneumococcal pneumonia. Mortality was not elevated in most infections with beta-lactam-resistant pneumococci.

Reference: 

Felkin D, Schuchat A, et al. Mortality from invasive pneumococcal pneumonia in the era of antibiotic resistance, 1995-1997. Am J Public Health 2000; 90: 223-229