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Table 1 Distribution of initial serum beta-hCG levels

From: Ectopic pregnancy: when is expectant management safe?

Initial beta-hCG titer Group I Group IIa Group IIb Total
Immediate intervention Unsuccessful expectant management Successful expectant management
<2,000 1 88 92 181
2,000–2,500 0 10 5 15
>2,500 32 32 2 66
Total 33 130 99 262
  1. Initial serum beta-hCG distribution of patients without severe pain or hemodynamic instability in the three management groups