Table 1. Clinical characteristics and outcomes of VLBWIs (n = 2,660).
| Clinical characteristics | 2013 (n = 1,000) | 2014 (n = 1,660) | ||
|---|---|---|---|---|
| Gestational age, wk | 291/7 ± 26/7 | 292/7 ± 26/7 | ||
| Birth weight, g | 1,093 ± 268 | 1,125 ± 261 | ||
| Sex, male, No. (%) | 504 (50.4) | 833 (50.2) | ||
| Follow up rate after discharge, No. (%) | 748 (74.8) | 959 (57.8) | ||
| Follow up at other hospital, No. (%) | 18 (1.8) | 20 (1.2) | ||
| Telephone survey, No. (%) | 93 (9.3) | 217 (13.1) | ||
| Follow up loss, No. (%) | 126 (12.6) | 444 (26.7) | ||
| Post-discharge mortality, No. (%) | 15 (1.5) | 20 (1.2) | ||
| Respiratory | 5 (45.5) | 6 (35.3) | ||
| Underlying disease | 11 (73.3) | 17 (85.0) | ||
| Growth at visit | ||||
| Weight | n = 800 | n = 1,091 | ||
| < 50th | 465 (46.5) | 721 (66.1) | ||
| 50th–90th | 243 (30.4) | 337 (30.9) | ||
| ≥ 90th | 32 (4.0) | 33 (3.0) | ||
| Height | n = 753 | n = 993 | ||
| < 50th | 482 (64.0) | 622 (62.6) | ||
| 50th–90th | 219 (29.1) | 325 (32.7) | ||
| ≥ 90th | 52 (6.9) | 46 (4.7) | ||
| Head circumference | n = 632 | n = 811 | ||
| < 50th | 404 (64.0) | 516 (63.6) | ||
| 50th–90th | 176 (27.8) | 267 (32.9) | ||
| ≥ 90th | 52 (8.2) | 28 (3.5) | ||
| Medical treatmenta | n = 846 | n = 1,182 | ||
| Oxygen | 142 (16.8) | 166 (14.0) | ||
| Ventilator | 53 (6.3) | 60 (5.1) | ||
| Nasogastric tube feeding | 76 (9.0) | 100 (8.5) | ||
| V-P shunt | 15 (1.8) | 28 (2.4) | ||
| Anti-epileptic drug | 33 (3.9) | 43 (3.6) | ||
| Levothyroxine medication | 67 (7.9) | 102 (8.6) | ||
| Rehospitalizationsa | n = 846 | n = 1,182 | ||
| Respiratory | 262 (44.9) | 349 (47.5) | ||
| Surgery | 135 (23.2) | 168 (22.8) | ||
| Infection | 106 (18.2) | 106 (14.4) | ||
| Brain MRI/CTa | n = 846 | n = 1,182 | ||
| Not performed | 658 (77.8) | 1,026 (86.8) | ||
| Abnormala | 81 (9.6) | 80 (6.8) | ||
| Bilateral PVL | 29 (29.0) | 32 (31.4) | ||
| Unilateral PVL | 5 (5.0) | 6 (5.9) | ||
| Multi-cystic PVL | 3 (3.0) | 3 (2.9) | ||
| Hydrocephalus | 12 (12.0) | 13 (12.7) | ||
| Normal | 89 (10.5) | 50 (4.2) | ||
| Unknown | 18 (2.1) | 26 (2.2) | ||
Data are presented as means ± standard deviation (range).
VLBWI = very low birth weight infant, V-P = ventriculo-peritoneal, MRI = magnetic resonance imaging, CT = computer tomography, PVL = periventricular leukomalacia.
aThe above variable was described as multiple answers.