Correction to: “Liuzijue” Qigong training enhances early pulmonary function recovery after esophageal cancer surgery

Table 1 Comparative analysis of postoperative pulmonary function and exercise capacity assessments across study groups of esophageal cancer patients, mean ± SD

Variable	Overall (n = 306)	Control group (n = 163)	Experimental group (n = 143)	P value
Forced vital capacity	3094.4 ± 841.4	3013.3 ± 813.6	3265.4 ± 861.3	0.115
FEV1	2734.4 ± 727.9	2066.1 ± 740.5	2270.8 ± 797.2	0.021
FEV1 to forced vital capacity ratio	85.6 ± 10.1	86.0 ± 9.3	85.1 ± 10.7	0.418
Diffusing capacity of the lung for carbon monoxide	17.1 ± 5.9	17.0 ± 5.9	17.1 ± 5.9	0.880
Maximum voluntary ventilation	100.4 ± 35.6	101.9 ± 35.7	99.1 ± 35.5	0.507
Total lung capacity	5624.4 ± 1106.5	5626.8 ± 1106.1	5622.3 ± 1110.3	0.972
Functional residual capacity	2976.4 ± 592.8	2960.7 ± 578.2	2990.1 ± 606.8	0.664
6-minute walk distance	404.2 ± 14.6	403.4 ± 15.0	404.9 ± 14.2	0.379
Modified Borg scale	2 (0-4)	2 (0-4)	2 (1-3)	0.045