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Table 2 Recovery rates in different categories

From: Follicular flushing increases the number of oocytes retrieved in poor ovarian responders undergoing in vitro fertilization: a retrospective cohort study

  N (%) Recovery rate, n (%)
Initial aspirate P-value Aspirate & all flushes P-value
Ovarian stimulation protocol    0.078   0.038
 Minimal stimulation 257(88.3%) 340/562 (60.5%)   475/562 (84.5%)  
 Natural cycle 34(11.7%) 18/39 (46.2%)   28/39 (71.8%)  
Drug used for trigger    0.105   0.121
 u-HCG 79(27.1%) 89/164 (54.3%)   131/164 (79.9%)  
 r-HCG 212(72.9%) 269/437 (61.6%)   372/437 (85.1%)  
Physician performing the retrieval    0.528   0.556
 Physician A 133 (45.7%) 163/280 (58.2%)   237/280 (84.6%)  
 Physician B 158 (54.3%) 195/321 (60.7%)   266/321 (82.9%)  
  1. u-HCG urinary human chorionic gonadotrophin, r-HCG recombinant human chorionic gonadotrophin