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Table 1 Summary of results comparing standard multiplex PCR versus rapid PCR testing for influenza

From: Differences in antibiotic and antiviral use in people with confirmed influenza: a retrospective comparison of rapid influenza PCR and multiplex respiratory virus PCR tests

  Standard Multiplex PCR
(n = 362)
Rapid PCR
(n = 122)
P-value*
Demographics
 Age (median years) (IQR**) 74 (51–84) 69 (43–84) 0.28
Gender    0.84
 Male (n) (%) 178 (49%) 62 (51%)  
 Female (n) (%) 184 (51%) 60 (49%)  
Charlson Comorbidity Index (median score) (IQR) 1 (0–2) 0 (0–2) 0.09
Deaths (n) (%) 6 (2%) 2 (2%) 0.68
Result availability
 Test result turnaround time (median hours) (IQR) 22.9 (16.8–38.0) 2.6 (2.0–3.8) < 0.01
Discharged from ED (n) (%) 110 (30%) 33 (27%) 0.56
Inpatient admission (n) (%) 252 (70%) 89 (73%)  
Length of Stay (LOS)
 Discharged from ED (median days) (IQR) 0.22 (0.15–0.44) 0.25 (0.18–0.31) 0.90
 Inpatient admission (median days) (IQR) 5.32 (2.88–11.01) 5.16 (2.72–8.18) 0.72
Antimicrobial use    < 0.01
 Prescribed (n) (%) 241 (67%) 62 (51%)  
 Not prescribed (n) (%) 121 (33%) 60 (49%)  
Oseltamivir use    0.02
 Prescribed (n) (%) 203 (56%) 84 (69%)  
 Not prescribed (n) (%) 159 (44%) 38 (31%)  
High risk patients (n = 380) n = 286 n = 94 0.03
 Prescribed oseltamivir (n) (%) 180 (63%) 71 (76%)  
 Not prescribed oseltamivir (n) (%) 106 (37%) 23 (24%)  
  1. *P-values calculated using χ2 test or Mann-Whitney as appropriate. **IQR interquartile range. ED Emergency Department
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