The Impact of Radiation Dose on Preoperative Neoadjuvant Chemoradiotherapy Effects for Patients with Locally Advanced Squamous Cell Esophageal Carcinoma: A Propensity Score-Matched Retrospective Study

Table 2

Comparison results of short-term indicators between high dose and low dose groups.

	High dose group (n = 21)	Low dose group (n = 21)	χ^2	P
Radical resections	15 (71.4%)	12 (57.1%)	0.933	0.334
Perioperative deaths	2 (9.5%)	1 (4.8%)	0.359	0.549
Post-radiation complications (n, %)	18 (85.7%)	17 (81.0%)	0.171	0.679
Radiation esophagitis	19 (90.5%)	17 (81.0%)	0.778	0.378
Radiation pneumonitis	10 (47.6%)	11 (52.4%)	0.095	0.758
Myelosuppression	9 (42.9%)	8 (38.1%)	0.364	0.546
Gastrointestinal injury	12 (57.1%)	10 (47.6%)	0.382	0.537
Severe post-radiation complications (n, %)	3 (14.3%)	2 (9.5%)	0.227	0.634
Postoperative complications (n, %)	14 (66.7%)	12 (57.1%)	0.404	0.525
Pulmonary infection	3 (14.3%)	2 (9.5%)	0.227	0.634
Chylothorax	4 (19%)	2 (9.5%)	0.778	0.378
Anastomotic fistula	6 (28.6%)	5 (23.8%)	0.123	0.726
Anastomotic stenosis	4 (19%)	6 (28.6%)	0.525	0.469
Cardiac complications	2 (9.5%)	1 (4.8%)	0.359	0.549
Severe postoperative complications (n, %)	6 (28.6%)	6 (28.6%)	0.000	1.00