Table 2. NICU Network Neurobehavioral Scale (NNNS) Summary Scores.

NNNS items	N	Mean (SD)	Range
Attention	46	4.42 (1.11)	2.29 - 6.67
Arousal	49	3.32 (0.58)	2.29 - 5.14
Regulation	47	4.81 (0.80)	3.23 - 6.31
Habituation	31	6.28 (1.52)	3.00 - 8.50
Handling	49	0.55 (0.20)	0.25 - 1.00
Quality of Movement	49	4.08 (0.69)	2.83 - 5.67
Excitability	49	3.37 (1.99)	0.00 - 8.00
Lethargy	49	6.24 (2.60)	2.00 - 13.00
Non-Optimal reflexes	49	5.41 (1.78)	2.00 - 11.00
Asymmetrical reflexes	49	0.22 (0.62)	0.00 - 3.00
Hypertonicity	49	0.04 (0.20)	0.00 - 1.00
Hypotonicity	49	0.55 (0.89)	0.00 - 4.00
Stress/Abstinence	49	0.18 (0.10)	0.00 - 0.39

Note: The NNNS examination generated 13 summary scores of the subscales.