Table 3. BSID outcomes: VLBWI born 2013 vs. 2014.
| Variables | 2013 (n = 246) | 2014 (n = 187) | ||
|---|---|---|---|---|
| BSID-II | ||||
| MDI | ||||
| < 69 | 55 (22.4) | 45 (24.1) | ||
| 70–84 | 64 (26.0) | 46 (24.6) | ||
| 85–114 | 109 (44.3) | 84 (44.9) | ||
| ≥ 115 | 18 (7.3) | 12 (6.4) | ||
| PDI | ||||
| < 69 | 63 (25.6) | 27 (14.4) | ||
| 70–84 | 58 (23.6) | 40 (21.4) | ||
| 85–114 | 114 (46.3) | 107 (57.2) | ||
| ≥ 115 | 11 (4.5) | 13 (7.0) | ||
| BSID-III | 2,013 (n = 77) | 2,014 (n = 121) | ||
| Cognitive | ||||
| ≤ 54 | 0 (0) | 0 (0) | ||
| 55–69 | 6 (7.8) | 5 (4.1) | ||
| 70–84 | 9 (11.7) | 8 (6.6) | ||
| 85–114 | 52 (67.5) | 94 (77.7) | ||
| ≥ 115 | 10 (13.0) | 14 (11.6) | ||
| Language | ||||
| ≤ 54 | 2 (2.6) | 2 (1.7) | ||
| 55–69 | 3 (3.9) | 5 (4.1) | ||
| 70–84 | 23 (29.9) | 25 (20.7) | ||
| 85–114 | 44 (57.1) | 73 (60.3) | ||
| ≥ 115 | 5 (6.5) | 16 (13.2) | ||
| Motor | ||||
| ≤ 54 | 4 (5.2) | 2 (1.7) | ||
| 55–69 | 6 (7.8) | 2 (1.7) | ||
| 70–84 | 8 (10.4) | 15 (12.4) | ||
| 85–114 | 55 (71.4) | 94 (77.7) | ||
| ≥ 115 | 4 (5.2) | 8 (6.6) | ||
BSID = Bayley scales of infant development, VLBWI = very low birth weight infant, BSID-II = Bayley scales of infant development-2nd edition, MDI = mental developmental index, PDI = psychomotor developmental index, BSID-III = Bayley scales of infant development-3rd edition.