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Table 1 Characteristics of the oocyte recipients and their individually matched controls

From: Obstetric outcome in donor oocyte pregnancies: a matched-pair analysis

  Available data (%) All pregnancies (n = 205) Singletons (n = 148) Twins (n = 57)
   DO AO P DO AO P DO AO P
Age           
Recipient (DO) or ICSI patient (AO) (%; SD) 410/410 36.0 36.0 0.37 36.3 36.2 0.24 35.4 35.4 0.66
(100) (4.5) (4.5) (4.5) (4.5) (4.4) (4.4)
Donor 406/410 30.7 36.1 <0.001 31.0 36.3 <0.001 29.8 35.4 <0.001
(%; SD) (99) (4.4) (4.4) (4.3) (4.5) (4.6) (4.4)
Partner 400/410 38.1 39.0 0.90 38.3 39.1 0.23 37.6 38.9 0.19
(%; SD) (97.5) (6.4) (6.7) (6.2) (6.7) (6.9) (6.5)
Parity 410/410 0.23 0.23 0.78 0.2 0.2 0.32 0.2 0.3 0.66
(%; SD) (100) (0.5) (0.5) (0.5) (0.5) (0.5) (0.5)
Ethnicity 410/410 202/205 202/205 1 146/148 146/148 1 55/57 55/57 1
(% Caucasian mothers) (100) (98.5) (98.5) (98.6) (98.6) (96.5) (96.5)
Sex baby 524/524 129/262 123/262 0.52 66/148 66/148 1 63/114 57/114 0.52
(% male) (100) (49.2) (46.9) (44.6) (44.6) (55.3) (50.0)
BMI 222/410 23.3 23.2 0.92 23.7 23.1 0.35 22.1 23.5 0.14
(%; SD) (54.1) (4.4) (3.2) (4.7) (3.4) (3.4) (3.6)
Smoking 187/410 5/37 6/37 1 5/31 6/31 1 0 0 1
(%; SD) (45.6) (13.5) (16.2) (16.1) (19.3)