Table 1 Baseline characteristics of the study population.
From: Designing a bed-side system for predicting length of stay in a neonatal intensive care unit
Characteristics | Gestation (weeks) | |||
|---|---|---|---|---|
26–32 (n = 85) | 32–34 (n = 211) | 34–37 (n = 267) | > 37 (n = 273) | |
Perinatal factors | ||||
Multiple pregnancy | 45 (52.9) | 116 (51.8) | 59 (22.1) | 5 (1.8) |
Antenatal | ||||
Infections | 2 (2.3) | 1 (0.45) | 2 (0.7) | 3 (0.9) |
Maternal disease | 27 (31.7) | 78 (37) | 59 (22.1) | 17 (6.2) |
Steroids | 46 (54.1) | 116 (54.8) | 58 (21.7) | 5 (1.83) |
Risk factors | 28 (32.9) | 46 (21.8) | 28 (10.4) | 8 (2.9) |
Umbilical doppler | ||||
Abnormal | 11 (12.9) | 17 (7.6) | 6 (2.1) | 2 (0.6) |
Normal | 47 (55.2) | 116 (55) | 116 (43.4) | 90 (33) |
Birth details | ||||
Gestation age* | 30.07 (1.47) | 33.1 (0.57) | 35.4 (0.8) | 38.5 (1.0) |
Caesarean section | 70 (82.3) | 187 (88.6) | 212 (79.4) | 158 (57.9) |
Need for PPV | 6 (7.0) | 7 (3.1) | 5 (1.9) | 6 (2.2) |
Apgar 5 min, < 5 | 1 (1.1) | 0 | 1 (0.3) | 2 (0.73) |
Gender, male | 62 (72.9) | 127 (60.2) | 176 (65.9) | 198 (72.5) |
Inborn | 67 (78.8) | 138 (65.4) | 171 (64) | 95 (34.8) |
Gestation, weeks* | 30.1 (1.5) | 33.1 (0.6) | 35.5 (0.8) | 38.5 (1) |
Birth weight, g* | 1425.4 (311.7) | 1876.1 (347.8) | 2236.4 (508.5) | 2737 (537) |
Clinical diagnosis | ||||
Respiratory distress | ||||
RDS | 60 (70.5) | 94 (44.5) | 98 (36.7) | 80 (29.3) |
TTNB | 16 (18.8) | 22 (10.4) | 40 (15) | 28 (10.2) |
MAS | 0 | 0 | 2 (0.7) | 7 (2.6) |
Need for MV# | 16 (18.8) | 10 (4.7) | 29 (10.9) | 34 (12.5) |
Pneumothorax | 2 (2.3) | 3 (1.3) | 7 (2.6) | 6 (2.2) |
PPHN | 0 | 0 | 0 | 2 (0.6) |
Sepsis | 33 (38.8) | 14 (6.6) | 29 (10.9) | 34 (12.5) |
NNH$ | 51 (60.0) | 69 (32.7) | 88 (33) | 89 (32.6) |
Asphyxia | 0 | 0 | 2 (0.7) | 20 (7.3) |
Nutrition‡ | ||||
Energy deviation, kcal/kg | ||||
IVth quartile | 246.7 (67) | 128.8 (66) | 120.4 (53) | 132.6 (47) |
Remaining | 143.9 (72) | 46.9 (38) | 40.7 (40) | 39.2 (64) |
Protein deviation, gram/kg | ||||
IVth quartile | 7.5 (1.3) | 5.1 (1.7) | 4.6 (1.7) | 4.1 (1.6) |
Remaining | 4.3 (2.4) | 2.4 (1.2) | 1.9 (1.5) | 1.4 (1.6) |
Medication | ||||
Medication received | 70 (82.3) | 68 (32.2) | 82 (30.7) | 110 (40.3) |
No deviation | 42 (49.4) | 52 (24.6) | 63 (23.5) | 76 (27.8) |
Deviation days^ | 9.5 (12.25) | 2.5 (3.25) | 4 (8) | 3 (3.75) |
Medication not required | 15 (17.7) | 143 (67.8) | 185 (69.3) | 163 (59.7) |