Changes in exercise capacity, muscle strength, and health-related quality of life in esophageal cancer patients undergoing esophagectomy

Table 3 Correlation between preoperative parameters and pulmonary functions

Parameters		VC	%VC	FEV₁	%FEV₁	FEV₁/FVC
6MWD (n = 34)	r	0.502	0.098	0.579	0.015	0.291
6MWD (n = 34)	P value	0.002	0.581	<0.001	0.934	0.095
CAT scores (n = 31)	r	− 0.418	− 0.334	− 0.415	− 0.269	− 0.265
CAT scores (n = 31)	P value	0.019	0.066	0.020	0.143	0.149
SF-36 component
Physical functioning (n = 29)	r	0.367	0.310	0.423	0.184	0.184
Physical functioning (n = 29)	P value	0.050	0.102	0.022	0.339	0.340
Role physical (n = 29)	r	0.403	0.009	0.197	− 0.315	− 0.236
Role physical (n = 29)	P value	0.030	0.964	0.305	0.096	0.218
Bodily pain (n = 29)	r	− 0.001	− 0.050	− 0.027	− 0.246	− 0.220
Bodily pain (n = 29)	P value	0.997	0.798	0.891	0.199	0.251
General health (n = 29)	r	0.174	− 0.079	0.142	− 0.223	− 0.070
General health (n = 29)	P value	0.367	0.684	0.462	0.244	0.717
Social functioning (n = 29)	r	0.177	0.275	0.210	0.180	0.106
Social functioning (n = 29)	P value	0.358	0.149	0.275	0.350	0.585
Vitality (n = 29)	r	0.329	0.112	0.255	− 0.122	− 0.099
Vitality (n = 29)	P value	0.081	0.562	0.182	0.527	0.611
Role emotional (n = 29)	r	0.268	0.007	0.150	− 0.186	− 0.197
Role emotional (n = 29)	P value	0.160	0.973	0.437	0.335	0.307
Mental health (n = 28)	r	0.334	0.310	0.368	0.245	0.212
Mental health (n = 28)	P value	0.082	0.108	0.054	0.208	0.279
PCS (n = 26)	r	0.095	− 0.136	0.022	− 0.426	− 0.276
PCS (n = 26)	P value	0.645	0.508	0.916	0.030	0.173
MCS (n = 28)	r	0.217	0.284	0.291	0.200	0.157
MCS (n = 28)	P value	0.286	0.159	0.149	0.327	0.443
RCS (n = 26)	r	0.435	0.075	0.290	− 0.165	− 0.121
RCS (n = 26)	P value	0.026	0.717	0.150	0.420	0.556

Spearman’s rank correlation coefficient was used for the analysis. VC vital capacity, %VC % of the predicted value for VC, FEV₁ forced expiratory volume in 1 s, %FEV₁ % of the predicted value for FEV₁, FVC forced vital capacity

ISSN: 2052-1847