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. 2021 Jul 28;9(5):1775–1782. doi: 10.1007/s40615-021-01114-4

Table 3.

Demographic summary by testing platform. (A) Xpert Xpress SARS-CoV-2 assay on the Cepheid GeneXpert Infinity platform, (B) Abbott RealTime SARS-CoV-2 assay on the Abbott m2000 platform, and (C) patients whose specimens were sent to a reference laboratory whereby a CT/CN value would not be available

A. Cepheid Total number (%) Average CT/CN value
African Americans 31 (77.5%) 28.1
Caucasian Americans 9 (22.5%) 24.37
Student’s T test (African Americans vs. Caucasian Americans) = p value of 0.26
Total number (%) Average CT/CN value
Males 38 (95%) 26.86
Females 2 (5%) 35
Student’s T test (males vs. females) = p value of 0.56
Total number (%) Average CT/CN value
<40 years of age 1 (2.5%) 19
40–49 years of age 2 (5%) 21.2
50–59 years of age 7 (17.5%) 28.53
60–69 years of age 14 (35%) 27.64
70–79 years of age 8 (20%) 28.9
>80 years of age 8 (20%) 27.25
B. Abbott Total number (%) Average CT/CN value
African Americans 84 (71.8%) 15.73
Caucasian Americans 25 (21.4%) 14.44
Other 8 (6.8%) 12.79
Student’s T test (African Americans vs. Caucasian Americans) = p value of 0.37
Total number (%) Average CT/CN value
Males 111 (94.9%) 15.07
Females 6 (5.1%) 18.77
Student’s T test (males vs. females) = p value of 0.35
Total number (%) Average CT/CN value
<40 years of age 9 (7.7%) 11.52
40–49 years of age 6 (5.1%) 16.59
50–59 years of age 25 (21.4%) 15.45
60–69 years of age 36 (30.8%) 15.56
70–79 years of age 26 (22.2%) 15.88
>80 years of age 15 (12.8%) 14.84
C. Test sent to reference lab Total number (%)
African Americans 24 (80%)
Caucasian Americans 5 (1.7%)
Unknown/Declined to state 1 (3.3%)
Total number (%)
Males 29 (96.7%)
Females 1 (3.3%)
Total number (%)
<40 years of age 2 (6.7%)
40–49 years of age 2 (6.7%)
50–59 years of age 5 (16.7%)
60–69 years of age 7 (23.3%)
70–79 years of age 13 (43.3%)
>80 years of age 1 (3.3%)