Table 2 Description of cycle characteristics and embryo parameters in the pre-training, fine-tuning and validation (Task 1 and 2) phases.

From: Deep-learning model for embryo selection using time-lapse imaging of matched high-quality embryos

 

Pre-training database

Fine-tuning database

Validation database

Task 1

Task 2

1580 embryos

209 embryos

348 embryos

312 embryos

Cycle characteristics

 Oocyte age

32.7 ± 4.6

32.2 ± 4.5

33.7 ± 4.9

33.1 ± 4.8

Tobacco use

 - Yes

11.7%

12.9%

12.1%

10.9%

 - No

85%

82.3%

86.8%

86.2%

 - Unknown

3.3%

4.8%

1.1%

2.9%

Woman BMI (kg/m2)

24.2 ± 4.9

23.9 ± 4.6

24.2 ± 5.0

24.3 ± 4.8

Paternal age

34.9 ± 5.4

34.6 ± 5.3

35.9 ± 5.3

35.2 ± 5.5

Insemination method

 - Conventional IVF

53.7%

58.1%

50.0%

50.3%

-  ICSI

46.3%

41.9%

50.0%

49.7%

Embryo parameters

 Stage

  - Cleavage stage

74.9%

70.3%

69.8%

74.4%

  - Blastocyst

25.1%

29.7%

30.2%

25.6%

 Cryopreservation status

  - Fresh

33.0%

26.3%

40.8%

43.3%

  - Frozen

67.0%

73.7%

59.2%

56.7%

  Positive outcome

32.2%

42.1%

19.3%

44.6%

  1. Values are shown as mean ± SD or %.