Table 2.
Group characteristics
| 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) |
General characteristics of the three management groups
NS not significant, N/A not applicable
aMean ± SD
bMedian (range)
cNumber of cases (percentage of intervention group)
dMean (range)