Table 2 Sequence results using NGS for detection of pathogens from BALF samples.

From: Metagenomic analysis using next-generation sequencing of pathogens in bronchoalveolar lavage fluid from pediatric patients with respiratory failure

Pt No.

NGS results

Conventional method results

DNA-sequencing

RNA-sequencing

Bacterial culture

Viral antigen

PCR

Total reads

Detected pathogen

Number of reads

RPM

Total reads

Detected pathogen

Number of reads

RPM

1

2,603,238

S. maltophilia

100,083

38,446

2,303,752

HMPV

322

140

P. aeruginosa (±)

HMPV

P. aerginosa

16,947

6,510

2

2,631,210

H. influenzae

103,738

39,426

2,937,810

HRSV-A

342

116

H. influenzae (2+)

HRSV

HRSV-A

3

2,071,836

2,676,318

HRV-B

50,138

18,734

HRV

4

2,754,852

M. catarrhalis

2,428

881

2,946,090

M. catarrhalis (2+)

5

3,608,962

2,402,562

HRSV-A

1,612

671

S. pneumoniae (±)

HRSV-A

6

1,489,176

1,685,054

HRSV-B

83,212

49,382

H. influenzae (2+)

HRSV

HRSV-B

7

1,660,692

1,531,292

EV-D68

115,343

75,324

8

1,419,054

1,549,278

EV-D68

784,380

506,287

9

1,373,122

1,478,618

CMV

10

1,581,982

1,517,564

HMPV

11a

1,252,872

1,431,422

  1. Abbreviation: CMV, cytomegalovirus; EV-D68, enterovirus D-68; HMPV, human metapneumovirus; HRSV, human respiratory syncytial virus; HRV, human rhinovirus; Pt, patient; RPM, read per million. aA patient with chronic phase of idiopathic interstitial pneumonias used for negative control.