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. Author manuscript; available in PMC: 2015 Feb 22.

Published in final edited form as: Early Hum Dev. 2003 May;72(1):25–36. doi: 10.1016/s0378-3782(03)00008-2

Table 3.

Pearson correlations

	Percentage of feeding SpO₂ < 90%	Number of events	On oxygen	Baseline SpO₂	BW	GA	PCA	Days bottle feeding	Days on oxygen	Maternal parity
Percentage of feeding SpO₂ < 90%	–	0.56^**	−0.46^*	−0.42	0.44^*	0.34	−0.57^**	−0.57^**	−0.42	−0.07
Number of events	0.56^**	–	−0.31	−0.58^**	0.06	0.06	0.10	−0.09	−0.03	0.33
On oxygen	−0.46^*	−0.31	–	−0.03	−0.48^*	−0.37	0.28	0.53^*	0.75^**	0.27
Baseline SpO₂	−0.42	−0.58^**	−0.03	–	0.03	0.19	0.11	0.03	−0.19	0.05
BW	0.44^*	0.06	−0.48^*	0.03	–	0.79^**	−0.48^*	−0.61^**	−0.78^**	−0.32
GA	0.34	0.06	−0.37	0.19	0.79^**	–	−0.45^*	−0.61^**	−0.69^**	−0.24
PCA	−0.57^**	0.10	0.28	0.11	−0.48^*	−0.45^*	–	0.79^**	0.50^*	0.22
Days bottle feeding	−0.57^**	−0.09	0.53^*	0.03	−0.61^**	−0.61^**	0.79^**	–	0.72^**	0.19
Days on oxygen	−0.42	−0.03	0.75^**	−0.19	−0.78^**	−0.69^**	0.50^*	0.72^**	–	0.32
Maternal parity (0,1)	−0.07	0.33	0.27	0.05	−0.32	−0.24	0.22	0.19	0.32	–

^*

p < 0.05.

^**

p < 0.01.