Sneider K, Langhoff-Roos J, Sundtoft IB, Christiansen OB. Clin Epidemiol. 2015;7:517–527.
The authors have advised that a number of errors were made in the data of some of the tables.
Page 521, Table 3, there were some errors in the data within the “Multiple pregnancies” and “Major fetal anomaly” rows. The correct Table 3 is as follows:
Table 3.
Sensitivity, specificity, positive predictive value, and kappa scores of pregnancy complications recorded in the Danish National Patient Registry and the Danish Medical Birth Registry
| Pregnancy complication | Danish National Patient Registry
|
Danish Medical Birth Registry
|
||||||
|---|---|---|---|---|---|---|---|---|
| Sensitivity, % (95 % CI) | Specificity, % (95 % CI) | Positive predictive value, % (95 % CI) | Kappa (95 % CI) | Sensitivity, % (95 % CI) | Specificity, % (95 % CI) | Positive predictive value, % (95 % CI) | Kappa (95 % CI) | |
| Antepartum fetal death | ||||||||
| Miscarriages | 22.7 (12.0–38.2) | 100 (98.5–100) | 100 (65.6–100) | 0.34 (0.18–0.50) | – | – | – | – |
| Deliveries | – | – | – | – | – | – | – | – |
| Multiple pregnancies | ||||||||
| Miscarriages | 40.9 (30.0–53.7) | 99.3 (97.6–99.9) | 93.1 (77.2–99.2) | 0.52 (0.39–0.64) | – | – | – | – |
| Deliveries | 88.9 (73.0–96.4) | 99.3 (97.2–99.9) | 94.1 (78.9–99.0) | 0.90 (0.83–0.98) | 82.4 (65.7–93.2) | 99.3 (97.4–99.8) | 93.3 (77.9–99.2) | 0.86 (0.77–0.96) |
| Major fetal anomaly | ||||||||
| Miscarriages | 25.0 (7.3–60.9) | 100 (98.7–100) | 100 (30.9–100) | 0.42 (0.10–0,75) | – | – | – | – |
| Deliveries | 11.1 (5.8–49.3) | 99.3 (97.4–99.9) | 33.3 (1.7–87.5) | 0.15 (–0.13–0.44) | 60.0 (27.4–86.3) | 100 (98.4–100) | 100 (51.9–100) | 0.74 (0.50–0.99) |
| Placental insufficiency/intrauterine growth retardation | ||||||||
| Miscarriages | 50.0 (17.4–82.6) | 100 (98.7–100) | 100 (39.6–100) | 0.66 (0.35–0.97) | – | – | – | – |
| Deliveries | 52.6 (29.5–74.8) | 99.3 (97.3–99.9) | 83.3 (50.9–97.1) | 0.63 (0.43–0.83) | – | – | – | – |
| Placental abruption | ||||||||
| Miscarriages | 14.2 (0.7–58.0) | 100 (98.7–100) | 1 (5.4–100) | 0.25 (−0.15–0.64) | – | – | – | – |
| Deliveries | 65.7 (47.7–80.3) | 99.6 (97.6–100) | 95.8 (76.9–99.8) | 0.76 (0.63–0.88) | 62.9 (44.9–78.0) | 99.6 (97.7–100) | 95.6 (92.2–97.5) | 0.74 (0.60–0.87) |
| Preterm premature rupture of membranes | ||||||||
| Miscarriages | 22.8 (15.0–33.0) | 99.6 (97.7–100) | 95.5 (75.1–99.8) | 0.30 (0.20–0.41) | – | – | – | – |
| Deliveries | 68.8 (57.1–78.6) | 97.0 (93.7–98.7) | 88.3 (76.8–94.8) | 0.71 (0.62–0.81) | 71.4 (59.8–80.9) | 97.9 (94.8–99.2) | 91.7 (80.9–96.9) | 0.75 (0.66–0.84) |
| Cervical insufficiency | ||||||||
| Miscarriages | 76.3 (64.5–85.4) | 86.9 (82.0–90.3) | 58.5 (47.9–68.0) | 0.57 (0.47–0.67) | – | – | – | – |
| Deliveries | 77.9(66.5–86.4) | 81.4 (75.7–86.0) | 57.7 (47.6–67.1) | 0.55 (0.45–0.65) | – | – | – | – |
Page 526, Table S2, “Multiple gestations, deliveries (030)” row, the correct data is listed as follows:
| Diagnosis recorded in The Danish Medical Birth Registry | Presence of condition in medical records
|
||
|---|---|---|---|
| Yes | No | Total | |
| Multiple pregnancies, deliveries (D030) | |||
| Yes | 32 | 2 | 34 |
| No | 4 | 275 | 279 |
| Total | 36 | 277 | 313 |
Page 526, Table S3, “Major fetal anomaly” row, the correct data is listed as follows:
| Diagnosis recorded in The Danish Medical Birth Registry | Presence of condition in medical records
|
||
|---|---|---|---|
| Yes | No | Total | |
| Major fetal anomaly | |||
| Yes | 6 | 0 | 6 |
| No | 4 | 303 | 307 |
| Total | 10 | 303 | 313 |