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| Factor | Weight | Length | Head circumference | Duration of caffeine therapy | Duration of tube feed | Duration of hospitalization |
|---|---|---|---|---|---|---|
| Factor 1: Therapy duration | 0.26 | -0.03 | 0.03 | 0.96 | 0.98 | 0.97 |
| Factor 2: Development | 0.88 | 0.92 | 0.88 | 0.01 | 0.11 | 0.13 |
Rotated factor loadings for factors extracted by principal component analysis. Loadings above 0.3 are printed in bold.
