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Table 1 Patient- and treatment characteristics of cycles included in the time-lapse analysis

From: Using the embryo-uterus statistical model to predict pregnancy chances by using cleavage stage morphokinetics and female age: two centre-specific prediction models and mutual validation

  

Clinic A

Clinic B

Couples

 

706

1064

Number of analyzed embryos (fresh transfer)

 

784

1274

Female age (years)

 

34.3 (30.4–38.6)

35.5 (31.8–39.0)

Fertilization method

IVF

233 (33%)

107 (10.0%)

ICSI

473 (67%)

959 (90.0%)

Culture medium

Sage 1

479 (67.8%)

544 (51.1%)

Sage CM

0 (0%)

491 (46.1%)

Vitrolife

228 (32.2%)

29 (2.7%)

Oxygen

 

7%

atmospheric

Carbon dioxide

 

5–6%

5–6%

Temperature (°C)

 

36.8

36.9

  1. Each cycle is derived from a unique patient couple. Data are presented as number (%) or median (IQR)
  2. Abbreviations: IVF in vitro fertilization, ICSI Intracytoplasmic sperm injection