Table 2:
Sample Descriptive Statistics for NNNS Summary Scores1
| NNNS Summary Score (N) | Mean | SD | Min-Max Range | Percentiles | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5th | 10th | 25th | 50th | 75th | 90th | 95th | ||||
| Attention (634) | 5.29 | 1.50 | 1.00-9.00 | 3.00 | 3.43 | 4.14 | 5.14 | 6.50 | 7.43 | 7.71 |
| Handling (660) | 0.41 | 0.27 | 0.00-1.00 | 0 | 0 | 0.25 | 0.38 | 0.63 | 0.75 | 0.88 |
| Quality of Movement (665) | 4.59 | 0.69 | 2.00-6.40 | 3.40 | 3.67 | 4.17 | 4.67 | 5.00 | 5.40 | 5.60 |
| Self-Regulation (662) | 5.62 | 0.80 | 2.64-7.82 | 4.27 | 4.60 | 5.14 | 5.62 | 6.08 | 6.63 | 6.92 |
| Excitability (665) | 2.48 | 2.07 | 0.00-10.0 | 0 | 0 | 1.00 | 2.00 | 3.00 | 5.00 | 7.00 |
| Lethargy (665) | 4.55 | 2.11 | 0.00-15.0 | 2.00 | 2.00 | 3.00 | 4.00 | 6.00 | 7.00 | 9.00 |
| Arousal (665) | 3.74 | 0.65 | 1.71-5.86 | 2.71 | 3.00 | 3.29 | 3.71 | 4.14 | 4.57 | 4.86 |
| Stress-Abstinence (665) | 0.14 | 0.07 | 0.00-0.39 | 0.02 | 0.04 | 0.08 | 0.12 | 0.18 | 0.24 | 0.27 |
| Hypertonicity (665) | 0.38 | 0.74 | 0.00-5.00 | 0 | 0 | 0 | 0 | 1.00 | 1.00 | 2.00 |
| Hypotonicity (665) | 0.22 | 0.51 | 0.00-4.00 | 0 | 0 | 0 | 0 | 0 | 1.00 | 1.00 |
| Asymmetric Reflexes (665) | 0.97 | 1.29 | 0.00-6.00 | 0 | 0 | 0 | 0 | 2.00 | 3.00 | 4.00 |
| Non-optimal Reflexes (665) | 5.36 | 2.06 | 0.00-11.0 | 2.00 | 3.00 | 4.00 | 5.00 | 7.00 | 8.00 | 9.00 |
1
Habituation was not able to be administered for infants initially in awake states, and was not included in analyses.