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Table 3 Odds ratio of blood culture positivity

From: Shaking chills and high body temperature predict bacteremia especially among elderly patients

 

Total (N = 366)

Age 18 to 79 (N = 192)

Age above 80 (N = 174)

 

Unadjusted odds ratio (95% C.I.)

Adjusted odds ratio (95% C.I.)

p value

Unadjusted odds ratio (95% C.I.)

Adjusted odds ratio (95% C.I.)

p value

Unadjusted odds ratio (95% C.I.)

Adjusted odds ratio (95% C.I.)

p value

Shaking chills

3.21 (1.96-5.27)

2.53 (1.50-4.28)

0.001*

2.57 (1.30-5.09)

2.22 (1.09-4.51)

0.028*

5.06 (2.36-10.84)

3.06 (1.30-7.19)

0.010*

Prior antibiotics use within 48 hours

0.23 (0.09-0.56)

0.31 (0.12-0.76)

0.011*

0.07 (0.009-0.54)

0.08 (0.01-0.68)

0.020*

0.43 (0.15-1.19)

0.66 (0.22-1.94)

0.456

Respiratory rate above 25/min

1.74 (1.01-3.00)

1.46 (0.81-2.61)

0.203

1.35 (0.57-3.18)

1.30 (0.52-3.23)

0.562

2.07 (1.00-4.27)

1.31 (0.54-2.97)

0.515

Body temperature above 38.5°C

2.64 (1.62-4.32)

1.93 (1.14-3.28)

0.014*

1.57 (0.79-3.10)

1.40 (0.68-2.88)

0.348

4.93 (2.39-10.18)

2.98 (1.30-6.83)

0.010*

  1. CI, confidence interval.
  2. *p<0.05.