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Table 3 Comparison of the usage of antibiotics

From: Procalcitonin guided antibiotic therapy of acute exacerbations of asthma: a randomized controlled trial

 

Usage of antibiotics, (%)

χ2

pvalue

 

PCT group

Control group

  

Mild

16/47 (34.0)

37/50 (74.0)

15.61

<0.01

Moderate

21/54 (38.9)

36/52 (69.2)

9.81

<0.01

Severe

13/17 (76.5)

14/17 (82.4)

0.18

= 0.671

Critical

9/10 (90.0)

8/8 (100.0)

0.85

= 0.357

Total

59/128 (46.1)

95/127 (74.8)

21.97

<0.01