Table 4 Prevalence of strains carrying a Difficult-to-treat Resistance (DTR) phenotype isolated in Provence-Alpes-Côte d’Azur from January 2014 to February 2019 and comparison with the study of Kadri et al.

From: Major discrepancy between factual antibiotic resistance and consumption in South of France: analysis of 539,037 bacterial strains

Bacterial strains

Number of DTR (number of strains)

Rate (%)

173 hospitals in USA (Kadri et al.4)

Escherichia coli

85 (246, 353)

0.03

12/28,640 (0.04)

Klebsiella spp. (K. pneumoniae and K. oxytoca

383 (57,620)

0.66

155/9168 (1.7)

Enterobacter spp. (K. aerogenes* and E. cloacae)

39 (21,602)

0.18

20/3221 (0.6)

Proteus mirabilis

1 (18,064)

0.006

NA

Serratia marcescens

3 (4437)

0.07

NA

Morganella morganii

5(4935)

0.1

NA

Pseudomonas aeruginosa

902 (34,966)

2.6

101/4493 (2.3)

Acinetobacter baumannii

175 (1098)

15.9

183/999 (18.3)

Enterococcus faecalis

3 (36,857)

0.008

NA

Enterococcus faecium

5 (4871)

0.10

NA

Staphylococcus aureus

0 (65,023)

0

NA

Staphylococcus epidermidis

3 (28,527)

0.01

NA

Streptococcus agalactiae

0 (14,684)

0

NA

Total (comparison with Kadri et al.)

1584 (361,639)

0.44

1.01 (471/46,521)

Total

1604 (539,037)

0.3

NA

  1. *Previously Enterobacter aerogenes, having resistance similar to Enterobacter spp. species.