Establishment of a prediction model for severe acute radiation enteritis associated with cervical cancer radiotherapy

Table 1 Baseline characteristics of all patients (n = 50)

Characteristic	n (%)
Age, median (IQR)	51.0 (45.5-62.0)
Weight, IQR	55.0 (50.5-61.8)
BMI/kg/m2, IQR	21.5 (20.7-22.9)
aCCI
2-3/4-5	38 (76)/12 (24)
Pathological diagnosis
Squamous cell carcinoma	47 (94)
Adenocarcinoma	1 (2)
Adenosquamous carcinoma	2 (4)
T
> 4 cm/≤ 4 cm	24 (48)/26 (52)
N
Negative/positive	15 (30)/35 (70)
Metastatic pelvic lymph nodes
Positive/negative	14 (28)/36 (72)
Metastatic common iliac lymph nodes
Positive/negative	5 (10)/45 (90)
Para-aortic lymph nodes
Positive/negative	2 (4)/48 (96)
FIGO staging
I/II/III/IVA	19 (38)/21 (42)/5 (10)/5 (10)
LVSI
Positive/negative	16 (32)/34 (68)
Degree of differentiation
Low and medium differentiation/high differentiation	40 (80)/10 (20)
Degree of infiltration
Shallow 1/3/Medium 1/3/Deep 1/3	10 (20)/16 (32)/24 (48)
Incised margin
R1 + R2/R0	5 (10)/45 (90)
Danger degree
Low/medium/high risk	15 (30)/12 (24)/23 (46)
HPV
Positive/negative	46 (92)/4 (8)
SCC
Abnormally elevated/no abnormality observed	17 (34)/33 (66)
RE
Occurred/not occurred	42 (84)/8 (16)
SARE/Non-SARE	15 (30)/35 (70)
Operation
Radical surgery/no surgery	36 (72)/14 (28)
Chemotherapy
CCRT/SCRT	18 (36)/32 (64)
Pelvic External Radiation Dose, IQR	45.0 (45.0-48.0)
Para-aortic extension field
Radiotherapy/no radiotherapy	4 (8)/46 (92)

aCCI: Adjusted Charlson Comorbidity Index; SARE: Severe acute radiation enteritis; CCRT: Concurrent chemoradiotherapy; SCRT: Sequential chemoradiotherapy; SCC: Squamous cell carcinoma; HPV: Human papillomavirus.