Table 4.

Burden of arterial hypotension (%hours) of 49 preterm neonates with NIRS monitoring visible (NIRS group) and of 49 neonates with NIRS monitoring not being visible (control group).

	NIRS group	Control group	p-Value
48 h (during and after NIRS measurements)
All neonates, n (%)	49 (100)	49 (100)
Burden in all patients (% h)	0.0 (0.0–2.1)	0.4 (0.0–3.3)	0.313
Neonates with hypotensive episodes, n (%)	16 (32.6)	22 (44.9)	0.214
Burden in neonates with hypotensive episodes (% h)	3.0 (2.2–6.1)	4.2 (1.7–6.3)	0.804