HAI Pathogens and Antimicrobial Resistance Report, 2018-2021

Adult Data Tables

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Table 3. The Top 15 HAI Pathogens Reported to NHSN, Adults, 2018 – 20211

Table 3. The Top 15 HAI Pathogens Reported to NHSN, Adults, 2018 – 2021
Pathogen # Pathogens % Pathogens Rank
Escherichia coli 73,556 16.2 1
Staphylococcus aureus 51,131 11.3 2
Enterococcus faecalis2 39,129 8.6 3
Select Klebsiella spp. 38,496 8.5 4
Pseudomonas aeruginosa 36,004 7.9 5
Coagulase-negative staphylococci 32,276 7.1 6
Enterobacter spp. 18,431 4.1 7
Enterococcus faecium2 16,904 3.7 8
Candida albicans2 16,458 3.6 9
Proteus spp. 13,953 3.1 10
Bacteroides spp. 11,602 2.6 11
Viridans group streptococci 9,962 2.2 12
Other Candida spp. 2 9,803 2.2 13
Other Enterococcus spp. 2 9,091 2.0 14
Candida glabrata2 7,622 1.7 15
Other pathogen 68,522 15.1
Total 452,940 100.0

Note: Refer to Technical Resources for more information about the acronyms and terms used in this table.

Footnotes:

  1. Supplemental Data Tables [ZIP – 144 KB] are available for download that contain HAI pathogen distributions for each year individually.
  2. When analyzed at the genus-level, Enterococcus spp. ranked #2 (14.4%) and Candida spp. ranked #6 (7.5%).

HAI Pathogens and Antimicrobial Resistance Report Data Tables 2018-2021 - Adult HAIs

  1. HAI Pathogens and Antimicrobial Resistance Report 2018-2021 Data Tables - Adult HAIs
  2. Table 1. Facilities Reporting at Least 1 HAI Pathogen to NHSN
  3. Table 2. Frequency of Pathogens and HAI Events Reported to NHSN, by HAI Type
  4. ›Table 3. The Top 15 HAI Pathogens Reported to NHSN
  5. Table 4. The Top 15 CLABSI Pathogens Reported to NHSN, by Location Type
  6. Table 5. The Top 15 CAUTI Pathogens Reported to NHSN, by Location Type
  7. Table 6. The Top 15 PVAP Pathogens Reported to NHSN, by Facility Type
  8. Table 7. Frequency of SSI Pathogens, by Surgical Category and SSI Type
  9. Table 8. The Top 15 SSI Pathogens Reported to NHSN, by SSI Type
  10. Table 9. The Top 15 SSI Pathogens Reported to NHSN Following Surgery Types with High Pathogen Volume
  11. Table 10. The Top 15 SSI Pathogens Reported to NHSN Following Select Surgery Types with Low Pathogen Volume
  12. Table 11. Percent of HAI Pathogens That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Resistant Threats1, by HAI Type
  13. Table 12. Percent of CLABSI Pathogens That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Resistant Threats, by Location Type
  14. Table 13. Percent of CLABSI Pathogens Reported From Oncology Units That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Threats, by Mucosal Barrier Injury (MBI) Status
  15. Table 14. Percent of CAUTI Pathogens That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Resistant Threats, by Location Type
  16. Table 15. Percent of PVAP Pathogens That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Resistant Threats, by Facility Type
  17. Table 16. Percent of SSI Pathogens That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Resistant Threats for Surgical Categories with High Pathogen Volume
  18. Table 17. Percent of SSI Pathogens That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Resistant Threats for Select Surgical Categories with Low Pathogen Volume
  19. Table 18. Percent of SSI Pathogens That Were Resistant to Selected Antimicrobials and Classified as “Urgent” or “Serious” Antimicrobial Resistant Threats, by SSI Type