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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Fertil Steril. 2019 Apr 28;112(1):105–111. doi: 10.1016/j.fertnstert.2019.03.007

Table 4:

Hazard ratios for interactions between age, IVF insurance coverage, and whether embryos were cryopreserved

Variable aHR 95% CI for aHR
No IVF insurance coveragea
 Age 25 0.76 0.49–1.19
 Age 30 0.60 0.46–0.79
 Age 35 0.48 0.39–0.59
 Age 40 0.38 0.27–0.53
No embryos cryopreservedb
 Age 25 1.27 0.80–2.04
 Age 30 0.82 0.63–1.06
 Age 35 0.53 0.41–0.68
 Age 40 0.34 0.22–0.53

Note:

aHR, adjusted hazard ratio; CI, confidence interval.

a

Reference group: IVF insurance coverage.

b

Reference group: Excess embryos cryopreserved.