Table 2. Median number (minimum – maximum) of painful procedures performed from birth to 24 hours of life, to 72 hours of life and up to the seventh day of life of newborn infants.

	Birth to 24 hours	Birth to 72 hours	Birth to 7 days
Heel stick	7 (2-12)	13 (4-21)	22 (10-46)
Venous puncture	2 (1-6)	6 (1-9)	6 (3-13)
Arterial puncture	2 (0-7)	4 (0-12)	7 (2-19)
Lumbar puncture	0 (0-4)	0 (0-5)	0 (0-5)
Endotracheal intubation	0 (0-1)	1 (0-2)	1 (0-3)