Table 4.
Central-line characteristics in infants with a central-line
| Characteristic | OBU | SRU | P value |
|---|---|---|---|
| Central-lines placed, n | 430 | 349 | 0.004 |
| Total central-line days, n | 1642.5 | 1321.1 | 0.24 |
| Central-line days per infant, median (IQR) | 6.71 (5.28) | 7.03 (4.02) | 0.24 |
| Number of VLBW infants with a central-line, n (%)a | 188 (72) | 155 (61) | 0.07 |
| Number of ELBW infants with a central-line, n (%)a | 87 (96) | 89 (90) | 0.88 |
| Central-line type, n (%) | |||
| UVC | 173 (40) | 135 (39) | 0.19 |
| UAC | 114 (27) | 80 (23) | |
| CVC | 143 (33) | 134 (38) | |
| CLABSI episodes, nb | 23 | 14 | 0.51 |
| Infants with ≥ 1 CLABSI(s), nc | 23 | 14 | 0.64 |
| Age at insertion (d), median (IQR) | 0.85 (0.48) | 0.92 (0.69) | 0.07 |
| Age at removal (d), median (IQR) | 8.44 (5.68) | 8.93 (5.93) | 0.13 |
| CLABSI incidence per 1000 central-line days | 14.00 | 10.59 | 0.51 |
Significant P value shown in bold
IQR interquartile range, VLBW very-low-birth-weight (< 1500 g), ELBW extremely-low-birth-weight (< 1000 g), CLABSI central-line associated bloodstream infection, UVC umbilical-venous catheter, UAC umbilical-arterial catheter, CVC central-venous catheter, d days
aVLBW total group consists of 260 and 253 infants in OBU and SRU, respectively, ELBW total group consists of 91 and 99 infants in OBU and SRU, respectively
bCalculated difference based on total number of central-lines placed (n = 779)
cCalculated difference based on total number of infants with a central-line (n = 390)