Table 3.

Correlations Between Mass Size and Operative Variables

Group	Operation Time	Mass Extraction Time	Hemoglobin Change	First Passage of Gas	Postoperative Hospital Stay
I (conventional)
Mass size
Person correlation coefficient	0.217*	0.166*	0.123	0.112	0.094
P	.001	.009	.052	.077	.141
II (multichannel)
Mass size
Person correlation coefficient	0.461*	0.291*	0.182	0.059	0.256*
P	.000	.005	.083	.578	.014

^*Correlations with P values < .05 are statistically significant (2 tailed).