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Table 2 Associations between ct value and clinical characteristics

From: Association between real-time polymerase chain reaction cycle threshold value and clinical presentation in children with Bordetella pertussis

Variable

n(%)

Ct value

Median (Q1,Q3)

Statistic

P value

Sex

    

Male

Female

41(48.8)

43(51.2)

30.0(22.5,32.0)

28.0(22.0,32.0)

0.036

0.971

Age

    

≤ 1 year

> 1year

37(44.1)

47(55.9)

24.0(20.0,29.0)

30.0(28.0,33.0)

−3.734

< 0.001*

Immunization status

    

Unvaccinated

Completely or Incompletely vaccinated

26(31.0)

58(69.0)

24.0(20.0,30.5)

30.0(24.8,32.0)

−2.534

0.011*

Co-infection

    

Yes

No

36(42.9)

48(57.1)

31.5(27.3,33.8)

26.0(20.5,30.0)

−3.442

0.001*

Pneumonia

    

Yes

No

42(50.0)

42(50.0)

28.0(22.0,31.3)

30.0(23.5,32.0)

−1.005

0.315

  1. *Statistically significant