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Table 2 Comparison between 2 groups of residual drug in 1 month and 2 months follow-up

From: Effects of Lung Support Formula on respiratory symptoms among older adults: results of a three-month follow-up study in Shanghai, China

Residual drug

One month follow-up

Two month follow-up

Treatment group

Control group

Treatment group

Control group

0 capsules

25(50.0)

20(40.8)

38(76.0)

31(63.3)

1-5 capsules

17(34.0)

23(46.9)

6(12.0)

10(20.4)

6-12capsules

8(16.0)

6(12.2)

6(12.0)

8(16.3)

Total

50(100.0)

49(100.0)

50(100.0)

49(100.0)

Z / P value*

0.547/ 0.584

 

1.298/ 0.194

 
  1. * Mann–Whitney test was used to compare differences of mean rank between the control group and treatment group.