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Table 2 Group characteristics

From: Ectopic pregnancy: when is expectant management safe?

  Group I Group IIa Group IIb P
Immediate intervention Unsuccessful expectant management Successful expectant management
N 182 130 99  
Age (years) a 31.9 ± 4.8 31.4 ± 4.4 31.7 ± 5.5 NS
Parity b 0 (0–5) 0 (0–4) 1 (0–4) NS
Previous abortions b 0 (0–7) 0 (0–2) 0 (0–3) NS
Previous miscarriages b 0 (0–6) 0 (0–10) 0 (0–10) NS
History tubal pathology c 33 (18%) 34 (26%) 19 (19%) NS
History infertility c 44 (24%) 42 (32%) 19 (19%) NS
Amenorrhea at first visit (weeks) a 6.30 ± 1.6 6.26 ± 1.9 6.18 ± 2.1 NS
Number of days till second visit a N/A 2.6 ± 1.6 2.8 ± 2.2 NS
Initial beta-hCG level (IU/l) d 3834 (89–100414) 1403 (58–20858) 530 (34–2799 IU/l) <.001
Observational period (days) d N/A 6.3 (2–21) 28.8 (3–95)  
  1. General characteristics of the three management groups
  2. NS not significant, N/A not applicable
  3. aMean ± SD
  4. bMedian (range)
  5. cNumber of cases (percentage of intervention group)
  6. dMean (range)