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Table 2 Comparison of efficacy indexes between the two groups

From: Efficacy of a four-drug combined regimen compared to uterine curettage in the treatment of incomplete medical abortion: a prospective observational study

Item

 

Combined medication group (n = 92)

Uterine curettage group (n = 92)

Z/t/χ2 value

P value

Diameter of residue

Before treatment

15.04 ± 6.31

15.21 ± 6.26

-0.113

0.912

 

After treatment

0.00

4.26 ± 2.34

-3.359

0.010*

Serum β-HCG level

Before treatment

214.69 ± 52.96

234.51 ± 67.46

-1.327

0.189

 

After treatment

10.34 ± 3.47

102.45 ± 103.26

-0.611

0.541*

Days of vaginal bleeding

 

9.79 ± 1.76

11.92 ± 1.91

-4.688

< 0.001

Return time of menses

 

28.58 ± 2.67

31.24 ± 2.43

-4.238

< 0.001

Duration of menstruation

 

6.12 ± 1.12

5.11 ± 0.98

-2.681

0.007

Menstrual volume after return of menses

More than previous

6

3

16.472

< 0.001

Equal to previous

74

53

Less than previous

12

36

  1. Note: *: indicates a statistically significant difference compared to before treatment