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. 2012 May;129(5):e1129–e1137. doi: 10.1542/peds.2011-0813

TABLE 4.

Descriptive Statistics of the NNNS Scales Across the NICUs Stratified for Quality Care Level and ANOVAs Results

NNNS Scales ICC Index IPM Index Main Effects Covariatea
Low (NICU = 12) High (NICU = 13) Low (NICU = 14) High (NICU = 11) ICC IPM VON-RA index
Mean SD N Mean SD N Mean SD N Mean SD N F η2p F η2p B η2p
Habituation 7.51 1.63 62 7.33 1.83 52 7.69 1.44 54 7.20 1.92 60 0.45 0.00 3.05 0.03 2.61 0.03
Attention 5.59 1.20 92 5.97 1.41 76 5.46 1.25 86 6.08 1.31 82 4.42b 0.03 10.44d 0.06 −2.00b 0.03
Arousal 3.89 0.66 95 3.74 0.55 76 3.73 0.64 88 3.92 0.58 83 3.20 0.02 4.41b 0.03 0.02 0.00
Regulation 5.65 0.84 94 5.96 0.66 76 5.76 0.90 87 5.82 0.62 83 7.06c 0.04 0.03 0.00 −0.56 0.01
Handling 0.47 0.26 90 0.44 0.23 74 0.46 0.26 83 0.45 0.24 81 1.18 0.01 0.03 0.00 0.16 0.01
Quality of movement 4.52 0.58 93 4.64 0.73 74 4.62 0.66 86 4.54 0.65 81 1.63 0.01 1.14 0.01 −0.17 0.00
Excitability 2.51 1.79 96 1.88 1.59 77 2.11 1.76 89 2.36 1.70 84 6.23b 0.04 1.52 0.01 0.21 0.00
Lethargy 3.73 2.28 97 3.60 1.98 81 4.00 2.39 91 3.33 1.80 87 0.18 0.00 4.24b 0.02 0.95 0.00
Nonoptimal reflexes 5.05 2.48 97 4.35 2.59 81 5.20 2.72 91 4.24 2.27 87 3.21 0.02 6.37c 0.04 3.30b 0.02
Asymmetric reflexes 1.21 1.71 97 0.86 1.56 81 1.04 1.79 91 1.06 1.50 87 2.92 0.02 0.03 0.00 2.42b 0.03
Hypertonicity 0.03 0.18 95 0.01 0.11 77 0.05 0.21 88 0.00 0.00 84 0.49 0.00 3.35 0.02 0.06 0.00
Hypotonicity 0.18 0.56 95 0.06 0.25 77 0.10 0.48 88 0.15 0.42 84 5.04b 0.03 0.79 0.00 0.82c 0.04
Stress/abstinence 0.18 0.07 96 0.13 0.08 77 0.16 0.08 89 0.16 0.08 84 21.31d 0.11 0.30 0.00 −0.02 0.00
a

For covariate analysis, values are reported for the regression coefficients (B) that allow an easier data interpretation of effect direction.

b

P ≤ .05.

c

P ≤ .01.

d

P ≤ .001.