Table 3.

Correlation of time interval between sampling and delivery and β-hCG values

β-hCG level versus duration	Control (n = 50)				Case
					Group 2A (N = 50)				Group 2B (N = 50)
	< 2 weeks	2–4 weeks	4–6 weeks	> 6 weeks	< 2 weeks	2–4 weeks	4–6 weeks	> 6 weeks	< 2 weeks	2–4 weeks	4–6 weeks	> 6 weeks
< 25 mIU/mL
No.	0	0	8	38	0	0	0	0	0	0	0	0
%	0.0	0.0	16.0	76.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
25–49 mIU/mL
No.	1	3	0	0	0	1	5	22	0	1	0	0
%	2.0	6.0	0.0	0.0	0.0	2.0	10.0	44.0	0.0	2.0	0.0	0.0
50–74 mIU/mL
No.	0	0	0	0	0	1	2	1	0	0	1	1
%	0.0	0.0	0.0	0.0	0.0	2.0	4.0	2.0	0.0	0.0	2.0	2.0
75–99 mIU/mL
No.	0	0	0	0	3	6	1	0	9	6	7	0
%	0.0	0.0	0.0	0.0	6.0	12.0	2.0	0.0	18.0	12.0	14.0	0.0
100–124 mIU/mL
No.	0	0	0	0	5	3	0	0	9	2	1	0
%	0.0	0.0	0.0	0.0	10.0	6.0	0.0	0.0	18.0	4.0	2.0	0.0
125–149 mIU/mL
No.	0	0	0	0	0	0	0	0	2	3	0	0
%	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	4.0	6.0	0.0	0.0
≥ 150 mIU/mL
No.		0	0	0	0	0	0	0	8	0	0	0
%	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	16.0	0.0	0.0	0.0

If β-hCG level < 21.5 mIU/mL—100% patient delivered after 4 week

If β-hCG level > 75 mIU/mL—56% patients delivered within 4 weeks

The bold values signify number of patients who were delivered within the specified level of beta-hcG