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Table 4 Reliability of pregnancy outcomes

From: Time-to-pregnancy and pregnancy outcomes in a South African population

Outcome n Measure of reliability
No of pregnanciesa 73 0.98 (0.97 - 0.99)
No of live birthsa 73 0.95 (0.92 - 0.97)
No of spontaneous abortionsa 73 0.91 (0.88 - 0.95)
No of still birthsa 73 0.41 (0.21 - 0.60)
No of pregnancy lossesa (spontaneous abortion or stillbirth) 73 0.96 (0.94 - 0.98)
Outcome of most recent pregnancyb
(livebirth, stillbirth, spontaneous abortion, Induced abortion)
63 0.96 (kappa 0.6)**
Outcome of most recent pregnancyb
(preterm, term, delayed)
65 0.98 (kappa 0.9)**
  1. aIntra-class correlation reported for first five measures
  2. bAgreement and weighted kappa reported for outcomes of pregnancy