BMC Pulmonary Medicine

Table 6 Parameters related to postFVC and postFEV1 based on the multivariate and stepwise analyses

From: Comparison between functional lung volume measurement and segment counting for predicting postoperative pulmonary function after pulmonary resection in lung cancer patients

Variables	Multivariate analysis				Univariate analysis
	Coefficient	P value	95% CI		Coefficient	P value	95% CI
	Coefficient	P value	Lower limit	Upper limit	Coefficient	P value	Lower limit	Upper limit
PostFVC
Constant	2.193	0.211	− 1.285	5.672	0.283	0.223	− 0.178	0.745
Sex	0.155	0.267	− 0.123	0.434
Age	− 0.003	0.655	− 0.018	0.011
Height	− 0.015	0.254	− 0.040	0.011
Weight	0.009	0.080	− 0.001	0.018
RL	− 1.864E−07	0.458
INL	1.288E−07	0.388
CNL	1.551E−07	0.290
ΔFLV/FLV	− 0.978	0.001	− 1.506	− 0.449	− 0.784	0.001	− 1.225	− 0.344
FVC	0.722	0.000	0.446	0.998	0.800	0.000	0.645	0.956
PostFEV1
Constant	0.250	0.859	− 2.569	3.070	0.220	0.173	− 0.099	0.539
Sex	0.098	0.381	− 0.125	0.321
Age	− 0.004	0.474	− 0.016	0.007
Height	0.001	0.922	− 0.019	0.021
Weight	0.001	0.759	− 0.007	0.009
RL	− 1.129E−07	0.562
INL	4.045E−08	0.734
CNL	1.015E−07	0.394
ΔFLV/FLV	− 0.810	0.000	− 1.240	− 0.381	− 0.694	0.000	− 1.037	− 0.351
FEV1	0.690	0.000	0.503	0.876	0.776	0.000	0.646	0.906

CNL, contralateral nonoperated lobe; FEV1, forced expiratory volume in 1 s; FLV, functional lung volume; FVC, forced vital capacity; INL, ipsilateral nonoperated lobe; post, postoperative; RL, resected lobe

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ISSN: 1471-2466

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