Volume 9, Number 10—October 2003
Letter
Antimicrobial Drug-resistant Salmonella Typhimurium (Reply to Helms)
Table 1
Resistant
Susceptible
p value
Deaths/cases
RRb (95% CI)
Deaths/cases
RRb (95% CI)
Penta with and without quinolone
12/283
4.8 (2.2 to 10.5)
47/1,764
2.1 (1.5 to 2.9)
0,06
Penta with quinolone
5/40
13.1 (3.3 to 51.9)
47/1,764
2.1 (1.5 to 2.9)c
0,01d
Penta without quinolone
7/243
2.9 (1.1 to 7.9)
47/1764
2.1 (1.5 to 2.9)c
0,55cd
aRR, relative risk; CI, confidence interval. bAdjusted for coexisting conditions. cCompared to the non-penta group. dApproximations based on the parameters from the table.