Table 2. Analysis of the Clinical Samples from Neonates with Very Low Birth Weight.

patient number	patient clinical features	MM-based aptassay (pg mL–1)	hospital reference pg mL–1)	E, (%)
1	gestational age: 26 + 6 weeks, birthweight: 950 g, days of life: 55, Staphylococcus aureus	3.3 ± 0.3	3.3	0.4
2	gestational age: 24 + 5 weeks, birthweight: 830 g, days of life: 22, Staphylococcus epidermis	1060 ± 20	1076	1.5
3	gestational age: 26 + 6 weeks, birthweight: 970 g, days of life: 11, Staphylococcus epidermis	41.0 ± 1.6	40	1.6
4	gestational age: 23 + 3 weeks, birthweight: 616 g, days of life: 12, Staphylococcus epidermis	100.0 ± 0.8	100.5	0.9
5	gestational age: 26 + 0 weeks, birthweight: 990 g, days of life: 49, Klebsiella pneumoniae	33.0 ± 0.1	32.4	2.5
Healthy control	gestational age: 26 + 0 weeks, birthweight: 990 g, days of life: 22	1.50 ± 0.01	<1.5	0.5