Group

n

Gender (n)

Age

( $\bar{x}\pm s$ , Years)

Number of Ulcers ( $\bar{x}\pm s$ , Persons)

Interval of Ulcers

( $\bar{x}\pm s$ , Days)

Male

Female

Positive Control Group (Thalidomide)

12

6

6

49.50 ± 22.70

26.50 ± 11.19

85.5 ± 15.59

Trial Group (Yiqing Capsules)

38

20

18

46.16 ± 16.21

20.58 ± 12.20

82.89 ± 40.55

Negative Control Group (Local Medication)

24

16

8

46.00 ± 19.22

17.83 ± 10.02

85 ± 44.31

χ²/F

-

1.447

0.174

2.321

0.032

P

-

0.538

0.841

0.106

0.969