Table 9.

Mean and standard deviations for maximum heart rate in response to acute pain at less than 7 postnatal days.

Gestational age	Reference	Maximum HR (bpm)	SD
37–42 weeks	Campos [38]	192.00	11.80
	de Jesus et al. [41]	149.00	N/A
	Owens and Todt [61]	179.40	13.40
	Singh et al. [27]	160.30	20.00
	Taksande et al. [66]	151.00	10.40
	Uyan et al. [68]	186.00	N/A

Note. bpm = beats per minute, HR = heart rate, SD = standard deviation.