. 2015 Jul 15;8(7):11449–11455.

Table 4.

Correlation of oxidative stress parameters to metabolic and clinical variables under investigation

Variable	Correlate	r value	P value
Catalase	Haemoglobin	0.574	0.001^*
	Haematocrit	0.550	0.002^*
	Neck circumference	0.517	0.003^*
	Low density lipoprotein	0.375	0.041^*
	Apnea-hypopnea index	0.469	0.009^*
	Arousal index	0.366	0.047^*
	Mean oxygen saturation	-0.369	0.045^*
Glutathione peroxidase	Apnea-hypopnea index	0.407	0.026^*
Glutathione peroxidase	Mean duration of apnea	-0.365	0.048^*
Malondialdehyde	C-reactive protein	0.461	0.010^*

Hint: statistically significant.