Fudan (N=81)	Other (N=8)	P-value
Age (years)
Mean (SD)	51.6 (10.4)	54.4 (8.80)	0.841
Median [Min, Max]	53.0 [27.0, 74.0]	57.0 [35.0, 62.0]
Treatment
CCRT	61 (75.3%)	5 (62.5%)	0.714
Surgery	20 (24.7%)	3 (37.5%)
Stage
II	26 (32.1%)	4 (50.0%)	0.475
III	48 (59.3%)	4 (50.0%)
IV	7 (8.6%)	0 (0%)
Metastasis
Distant metastasis	4 (4.9%)	0 (0%)	0.559
Locoregional disease	27 (33.3%)	4 (50.0%)
Pelvic + Para-aortic LN metastasis	11 (13.6%)	0 (0%)
Pelvic LN metastasis	39 (48.1%)	4 (50.0%)
Histology
Adenocarcinoma	1 (1.2%)	0 (0%)	0.0149
Carcinoma in situ	0 (0%)	1 (12.5%)
Poorly differentiated carcinoma	2 (2.5%)	0 (0%)
Squamous cell carcinoma	78 (96.3%)	7 (87.5%)
DFS_status
0	63 (77.8%)	7 (87.5%)	0.851
1	18 (22.2%)	1 (12.5%)
OS_status
0	79 (97.5%)	8 (100%)	1
1	2 (2.5%)	0 (0%)
DFS_months
Mean (SD)	18.5 (12.9)	9.73 (6.56)	0.28
Median [Min, Max]	15.5 [0.433, 43.4]	10.7 [1.90, 18.3]
OS_months
Mean (SD)	21.7 (13.2)	10.5 (6.83)	0.254
Median [Min, Max]	20.8 [0.433, 43.4]	11.9 [1.90, 18.3]