Table 1

Patient and disease characteristics

No. of patientsPercentage
Age (mean 67 years)
 < 671748.6
 ≥ 671851.4
Gender
 Female1851.4
 Male1748.6
Symptom
 Yes3085.7
 No514.3
Weight loss
 Yes1542.9
 No2057.1
Neoadjuvant chemotherapy
 Yes1131.4
 No2468.6
Type of surgery
 DP1440
 DP + adrenalectomy1234.3
 DP + other925.7
T
 T112.9
 T21851.4
 T31645.7
N
 N01851.4
 N11542.9
 N225.7
Perineural invasion
 Yes2674.3
 No925.7
AJCC stage
 I925.7
 II2468.6
 III25.7
IORT dose (Gy)
 1212.9
 152777.1
 20720.0
Applicator diameter (cm)
 2411.5
 31645.7
 41337.1
 525.7
Pre-operative CA19-9 (U/mL)
 < 371542.9
 ≥ 372057.1
Pre-operative CEA (ng/mL)
 < 52468.6
 ≥ 51131.4
D-dimer (ng/mL)
 < 5001028.6
 ≥ 5002571.4
Adjuvant chemotherapy
 Yes3188.6
 No411.4
Adjuvant chemotherapy
 Gemcitabine38.6
 S1514.3
 Gemcitabine + S1822.9
 Gemcitabine + albumin-bound paclitaxel925.7
 Albumin-bound paclitaxel + S125.7
 FOLFIRINOX411.4

DP, distal pancreatectomy; AJCC, American Joint Committee on Cancer; IORT, intraoperative radiation therapy; CA19-9, carbohydrate antigen 19-9; CEA, carcinoembryonic antigen; S1, tegafur, gimeracil and oteracil potassium capsules; FOLFIRINOX, fluorouracil + leucovorin + irinotecan + oxaliplatin.