Parameter | Old/voluntary participants (N = 26, starting in NEO-KISS 1January 2000- December 2002) | New/mandatory participants (N = 95, starting in NEO-KISS January-December 2006) | p-valuea |
---|---|---|---|
NICU characteristics | |||
Number of beds in the NICU, median | 24 | 16 | 0.004 |
Number of VLBW infants year 2007, median | 53 | 23 | <0.001 |
Months of participation until December 2010, median | 123 | 56 | <0.001 |
Number VLBW infants | 1527 | 2753 | |
Birth weight (gram), mean | 1100 | 1140 | 0.001 |
End of surveillance | |||
Transfer before 1800 g | 21.4% | 13.10% | |
End of surveillance 1800 g | 71.9% | 80.0% | |
Died | 6.7% | 7.0% | |
Number VLBW infants according to birth weight groups (%) | |||
< 500 g | 52 (3.4%) | 92 (3.3%) | |
1000-1499 g | 615 (40.3%) | 1012 (36.8%) | |
1000-1499 g | 860 (56.3%) | 1649 (59.9%) | |
Device utilization rates per 100 patient days (pooled mean)# | |||
CVC | |||
500-999 g | 28.2 | 30.2 | 0.484 |
1000-1499 g | 13.8 | 16.9 | 0.934 |
Tube | |||
500-999 g | 21.2 | 21.2 | 0.267 |
1000-1499 g | 6.3 | 6.1 | 0.676 |
Healthcare associated infection rates per 1000 patient days (pooled mean)# | |||
Primary BSI | |||
500-999 g | 6.5 | 5.2 | 0.023 |
1000-1499 g | 3.1 | 3.2 | 0.964 |
Pneumonia | |||
500-999 g | 1.0 | 0.8 | 0.286 |
1000-1499 g | 0.4 | 0.1 | 0.053 |
Device-associated infection rates per 1000 device days (pooled mean)# | |||
CVC-BSI | |||
500-999 g | 11.4 | 9.4 | 0.011 |
1000-1499 g | 7.7 | 6.9 | 0.150 |
Tube associated pneumonia | |||
500-999 g | 2.2 | 2.3 | 0.634 |
1000-1499 g | 3.9 | 0.4 | 0.010 |