Table 2.

Characteristics of groups I, II and II.^*

	Group I n = 55	Group II n = 40	Group III n = 21	P
Age (yea)	30.8 +/− 5.5	29.3 +/− 5.2	28.4 +/− 5.7	0.2
0 or 1 Para	87.2%	74.3%	85.7%	0.1
History of EP	20%	12.5%	23.8%	0.3
hCG level at diagnosis (IU / L)	1286 +/− 1152	1513 +/− 1429	3363 +/− 2356	< 0.001
Hematosalpinx diameter (mm)	21 +/− 8.8	19.1 +/− 7.4	42.3 +/− 14.4	< 0.001
Gestational age at diagnosis (days)	41.3 +/− 11.7	43.9 +/− 13.3	36 +/− 14.3	0.3

^*Results are expressed as mean +/− standard deviation or %

EP=ectopic pregnancy.