Table 1.
Characteristic of ELBW/VLBW infants (n = 519).
| Items | Numbers (%)/median (min, max) |
|---|---|
| Gender | |
| Boy | 273 (52.6) |
| Girl | 246 (47.4) |
| Gestational age (weeks) | 29.41 (23.0, 39.0) |
| Age at catheterization (days) | 1.36 (0.0, 47.0) |
| Catheter tip positioning | |
| Central | 224 (43.2) |
| Noncentral | 295 (56.8) |
| Indwelling time (days) | 12.84 (1.0, 60.0) |
| Inserted site | |
| Upper extremity | 464 (89.4) |
| Lower extremity | 32 (6.2) |
| Head | 20 (3.9) |
| Neck | 3 (0.6) |
| Inserted vessel | |
| Basilic vein | 291 (56.1) |
| Scalp vein | 20 (3.9) |
| Jugular vein | 3 (0.6) |
| Axillary vein | 129 (24.9) |
| Cephalic vein | 44 (8.5) |
| Saphenous vein | 32 (6.2) |
| Antibiotics | |
| β-Lactams | 429 (82.7) |
| Vancomycin | 90 (17.3) |
| Calcium (calcium gluconate) | |
| Without | 238 (45.9) |
| With | 281 (54.1) |
| Parenteral nutrition | |
| Without | 2 (0.4) |
| With | 517 (99.6) |
ELBW/VLBW, extremely low birthweight/very low birthweight.