From: Hyperemesis gravidarum in the Medical Birth Registry of Norway – a validity study
HG + in hospital record | HG – in hospital record | Total | |
---|---|---|---|
HG + in MBRN | 9 | 39 | 48 |
HG – in MBRN | 5 | 498 | 503 |
Total | 14 | 537 | 551 |
Sensitivity (9/14) | 64.3% | 95% CI: 38.8-83.7 | |
Specificity (498/537) | 92.7% | 95% CI: 90.2-94.6 | |
Positive predictive value (9/48) | 18.6% | 95% CI: 10.2-31.9 | |
Negative predictive value (498/503) | 99.0% | 95% CI: 97.7-99.6 |