Table 1 Characteristics and overall survival (OS) of 1,783 patients with pancreatic cancer, 1999–2016.

   <50

355 (19.9%)

8.6 (7.4–10.4)

1 (Reference)

   50–59

620 (34.8%)

9.4 (7.3–11.7)

0.99 (0.79–1.24)

   60–69

547 (30.7%)

7.3 (6.2–8.6)

1.17 (0.93–1.48)

   ≥70

261 (14.6%)

7.8 (6.4–9.9)

1.14 (0.86–1.50)

   Trend, χ² (p value)

2.85 (0.092)

Gender

   Male

1,009 (56.6%)

9.0 (7.7–9.7)

1 (Reference)

   Female

774 (43.4%)

8.2 (7.3–9.2)

1.16 (1.01–1.33)

BMI at diagnosis (kg/m²)

   <23

880 (49.3%)

8.5 (7.3–9.7)

1 (Reference)

   23–27.49

741 (41.6%)

8.1 (7.2–9.5)

1.02 (0.86–1.21)

   ≥27.5

162 (9.1%)

6.1 (4.8–12.4)

1.15 (0.85–1.57)

Usual BMI (kg/m²)

   <23

686 (38.5%)

8.3 (7.3–9.9)

1 (Reference)

   23–27.49

791 (44.4%)

8.1 (7.2–9.4)

0.95 (0.80–1.14)

   ≥27.5

306 (17.1%)

7.6 (6.0–10.2)

1.07 (0.85–1.35)

Stage group

   Resectable

217 (12.2%)

12.4 (8.7–15.0)

1 (Reference)

   Unresectable & locally advanced

316 (17.7%)

9.0 (6.6–10.7)

1.22 (1.03–1.62)

   Metastatic

1,250 (70.1%)

5.4 (4.7–6.1)

1.92 (1.61–2.33)