TABLE 4

Sensitivity and Specificity of WMA and GMs in Predicting Abnormal Motor Development at 12 Months' Corrected Age

Initial AssessmentOutcome AssessmentSensitivity (95% CI)Specificity (95% CI)Positive PV (95% CI)Negative PV (95% CI)Accuracy (95% CI)χ2P
WMAAIMS23.3 (8.2–38.5)94.6 (88.7–100.0)70.0 (41.6–98.4)69.7 (59.4–80.1)69.8 (60.7–79.5)6.14.013
NSMDA43.8 (19.4–68.1)95.7 (90.06–100.00)70.0 (41.6–98.4)88.2 (80.9–95.4)86.5 (78.7–93.4)19.74<.001
Cerebral palsy100.0 (46.7–100.0)93.8 (88.6–99.1)50.0 (19.0–80.9)100.0 (46.7–100.0)94.0 (89.3–99.1)40.35<.001
GMs at 1 moAIMS82.8 (69.0–96.5)48.2 (35.1–61.3)45.3 (31.9–58.7)84.4 (71.8–97.0)60.0 (49.6–70.4)7.81.005
NSMDA86.7 (96.5–100.0)42.9 (31.3–54.5)24.5 (12.9–36.1)93.8 (85.36–100.00)50.6 (40.0–61.2)4.59.032
Cerebral palsy100.0 (46.7–100.0)40.0 (29.3–50.7)9.4 (1.6–17.3)100.0 (46.7–100.0)43.5 (33.0–54.1)3.21.073
GMs at 3 moAIMS40.0 (22.8–57.5)85.5 (76.1–94.8)60.0 (38.5–81.5)72.3 (61.4–83.2)69.4 (59.6–79.2)6.99.008
NSMDA62.5 (38.8–86.2)85.5 (77.2–93.8)50.0 (28.1–71.9)90.8 (83.7–97.8)81.2 (72.9–89.5)16.64<.001
Cerebral palsy100.0 (46.7–100.0)81.3 (72.7–89.8)0.3 (6.0–44.0)100.0 (46.7–100.0)82.4 (74.3–90.45)12.26<.001
  • PV indicates predictive value.