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Table 4 Treatment factors and results of the TA groups

From: Can metagenomic next-generation sequencing identify the pathogens responsible for culture-negative prosthetic joint infection?

Case

Tsukayama type

Surgical protocol

mNGS results

Intravenous antibiotic regimen

Oral antibiotic regimen

Reason for culture-negative result

Follow-up (month)

Subsequent intervention

Antibiotic costs (Yuan)

Initial

Targeted

TA-1

IV

Two-stage revision

Staphylococcus aureus

Vancomycin

Meropenem

Vancomycin

Levofloxacin

Rifampicin

Prior use of antibiotics

24

11,146.6

TA-2

IV

Two-stage revision

Parvimonas micra

Vancomycin

Imipenem

Amoxicillin

Clavulanate

Amoxicillin/Clavulanate

Fastidious bacteria

23

10,421

TA-3

IV

Two-stage revision

Corynebacterium

Vancomycin

Meropenem

Vancomycin

Levofloxacin

Rifampicin

Prior use of antibiotics

32

16,661.04

TA-4

IV

Two-stage revision

Staphylococcus epidermidis

Vancomycin

Ceftazidime

Vancomycin

Linezolid

Prior use of antibiotics

30

10,312.27

TA-5

II

I&D

Mycoplasma hominis

Vancomycin

Meropenem

Levofloxacin

Doxycycline Levofloxacin

Fastidious bacteria

18

8391.27

TA-6

II

I&D

Mycoplasma hominis

Vancomycin

Meropenem

Levofloxacin

Doxycycline Levofloxacin

Fastidious bacteria

27

8391.27

TA-7

II

One-stage revision

Streptococcus agalactiae

Vancomycin

Ceftazidime

Ceftriaxone

Levofloxacin

Unknown

18

11,946.99

TA-8

IV

I&D

Staphylococcus epidermidis

Vancomycin Levofloxacin

Vancomycin

Moxifloxacin

Rifampicin

Unknown

27

11,016.02

TA-9

IV

I&D

Mycoplasma hominis

Vancomycin Ceftazidime

Levofloxacin

Levofloxacin Doxycycline

Unknown

27

2959.54

TA-10

IV

I&D

Staphylococcus epidermidis

Vancomycin Tazocin

Vancomycin

Linezolid

Unknown

19

9298.5

TA-11

IV

Two-stage revision

Finegoldia magna

Vancomycin

Meropenem

Vancomycin Tazocin

Amoxicillin

Clavulanate

Fastidious bacteria

17

15,499.49

TA-12

IV

Two-stage revision

Candida tropicalis

Vancomycin

Fluconazole

Fluconazole

Fastidious bacteria

12

5925.74