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. 2019 Feb 4;8:28. doi: 10.1186/s13756-019-0480-z

Table 4.

Yield of microbiological specimen

Diagnosis* Test findings Blood culture % Urine culture % SST culture1% Respiratory culture % RP-PCR2 % UPAg3 %
Sepsis Causative 20 36 63 29 18 8
Non-causative 5 16 25 58
Negative 75 48 13 13 82 92
Total 100 (n = 303) 100 (n = 239) 100 (n = 24) 100 (n = 52) 100 (n = 106) 100 (n = 111)
UTI Causative 17 54 33 0 0 0
Non-causative 4 17 67 80
Negative 79 28 0 20 100 100
Total 100 (n = 113) 100 (n = 179) 100 (n = 3) 100 (n = 15) 100 (n = 27) 100 (n = 21)
SSTI Causative 4 30 70 40 0 0
Non-causative 4 15 23 60
Negative 92 55 7 0 100 100
Total 100 (n = 163) 100 (n = 47) 100 (n = 107) 100 (n = 5) 100 (n = 11) 100 (n = 4)
LRTI Causative 4 16 67 33 17 9
Non-causative 2 20 22 52
Negative 94 63 11 15 83 91
Total 100 (n = 470) 100 (n = 298) 100 (n = 9) 100 (n = 185) 100 (n = 240) 100 (n = 196)
AECOPD Causative 1 17 43 41 8 10
Non-causative 4 16 43 45
Negative 94 67 14 14 92 90
Total 100 (n = 269) 100 (n = 166) 100 (n = 7) 100 (n = 161) 100 (n = 167) 100 (n = 123)
Total Causative 8 29 67 34 13 8
Non-causative 4 18 25 51
Negative 88 53 8 14 87 92
Total 100 (n = 1318) 100 (n = 929) 100 (n = 150) 100 n = (418) 100 (n = 551) 100 (n = 455)

*AECOPD: acute exacerbation of chronic obstructive pulmonary disease; LRTI: lower respiratory infection; SSTI: skin and soft tissue infection; UTI: urinary tract infection

1SST culture: wound, pus, breastmilk or tissue culture; 2RP-PCR: Respiratory panel polymerase chain reaction test for viral and bacterial respiratory pathogens; 3UPAg: Urinary pneumococcal antigen tests