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. 2011 Jan;127(1):e69–e75. doi: 10.1542/peds.2010-1121

TABLE 2.

Normative NNNS Scores Based on Newborns Examined Between 20 and 48 Hours of Age (N = 176)

NNNS (Birth) Descriptive
Percentile
n Mean SD Minimum Maximum P5 P10 P25 P50 P75 P90 P95
Habituationa 77 6.00 1.85 2.00 9.00 3.00 3.67 4.00 6.00 7.67 8.33 9.00
Attentiona 145 5.36 1.02 2.60 7.43 3.29 4.00 4.71 5.43 6.00 6.71 7.00
Arousal 176 3.80 0.64 1.86 5.29 2.86 3.00 3.43 3.71 4.29 4.71 5.00
Regulationa 161 5.28 0.69 3.00 6.77 4.18 4.43 4.83 5.29 5.77 6.15 6.42
Handlinga 151 0.28 0.21 0.00 0.88 0.00 0.00 0.13 0.25 0.38 0.50 0.75
Quality of movement 176 4.30 0.53 2.50 5.67 3.50 3.67 4.00 4.33 4.50 5.00 5.33
Excitability 176 2.71 1.90 0.00 7.00 0.00 0.00 1.00 2.00 4.00 5.00 6.00
Lethargy 176 5.22 2.66 1.00 13.00 2.00 3.00 3.00 5.00 6.00 10.00 11.00
Nonoptimal reflexes 176 3.64 1.65 0.00 9.00 1.00 1.00 3.00 4.00 5.00 6.00 7.00
Asymmetry total 176 0.98 0.95 0.00 4.00 0.00 0.00 0.00 1.00 2.00 2.00 3.00
Hypertonia total 176 0.03 0.18 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Hypotonia total 176 0.30 0.68 0.00 4.00 0.00 0.00 0.00 0.00 0.00 1.00 1.00
Stress abstinence 176 0.11 0.04 0.02 0.27 0.04 0.06 0.08 0.10 0.12 0.16 0.18
a

NNNSs that require a minimum of items completed to be scored.