Table 1.

Comparison of Age, Initial β-hCG Levels and Initial Vitamin A Levels between the Intervention and Control Groups

Variable	Group		p-value
	Intervention n = 16	Control n = 14
Age (years)			0.569
Mean (SD)	32.3 (8.5)	34.3 (10.3)
Median	32.0	37.0
Range (min–max)	19.0–46.0	19.0–48.0
Initial β-hCG value			0.140
Mean (SD)	170.949.3 (354.452.1)	178.834.1 (291.844.6)
Median	6.600.0	95.104.5
Range (min–max)	50.0–1.256.000.0	387.2–1.125.000.0
Vitamin A level			0.394
Mean (SD)	0.63 (0.40)	0.69 (0.39)
Median	0.57	0.61
Range (min–max)	0.25 – 1.83	0.29 – 1.77
Hb level			0.922
Mean (SD)	11.9 (1.1)	11.8 (1.8)
Median	12.1	11.7
Range (min–max)	9.6–13.2	8.3 – 14.1

For numerical data, the p-value was generated by an unpaired t-test if the data were normally distributed, and by the Mann-Whitney test if the data were not. *Indicates significance (p < 0.05).