Table 1. Comparison of selected characteristics of pancreatic cancer (PC) patients and non-cancer controls.
| Cases (%) | Controls (%) | P-valuesa | |
| n = 185 | n = 1465 | ||
| Age | 0.999 | ||
| <40 | 10 (5.41) | 75 (5.12) | |
| ≥40 but <50 | 19 (10.27) | 147 (10.03) | |
| ≥50 but <60 | 60 (32.43) | 479 (32.70) | |
| ≥60 but <70 | 60 (32.43) | 484 (33.04) | |
| ≥70 | 36 (19.46) | 280 (19.11) | |
| Sex | 0.068 | ||
| Male | 127 (68.65) | 1097 (74.88) | |
| Female | 58 (31.35) | 368 (25.12) | |
| Current BMIb (kg/m2) | 0.021 | ||
| <18.5 | 15 (8.11) | 61 (4.16) | |
| ≥18.5 but <22.5 | 84 (45.11) | 555 (37.88) | |
| ≥22.5 but <25 | 47 (25.41) | 478 (32.63) | |
| ≥25 but <27.5 | 25 (13.51) | 245 (16.72) | |
| ≥27.5 | 14 (7.57) | 111 (7.58) | |
| Unknown | 0 (0.00) | 15 (1.02) | |
| BMIb at age 20 (kg/m2) | 0.018 | ||
| <18.5 | 14 (7.57) | 168 (11.47) | |
| ≥18.5 but <22.5 | 112 (60.54) | 950 (64.85) | |
| ≥22.5 but <25 | 36 (19.46) | 226 (15.43) | |
| ≥25 but <27.5 | 11 (5.95) | 72 (4.91) | |
| ≥27.5 | 6 (3.24) | 14 (0.96) | |
| Unknown | 6 (3.24) | 35 (2.39) | |
| Cigarette pack-years | 0.005 | ||
| <5 | 69 (37.30) | 638 (43.55) | |
| ≥5 but <20 | 22 (11.89) | 206 (14.06) | |
| ≥20 but <40 | 34 (18.38) | 308 (21.02) | |
| ≥40 | 60 (32.43) | 304 (20.75) | |
| Unknown | 0 (0.00) | 9 (0.61) | |
| Drinking, g ethanol/day | 0.568 | ||
| Non | 56 (30.27) | 488 (33.31) | |
| <23 | 53 (28.65) | 425 (29.01) | |
| ≥23 but <46 | 43 (23.24) | 342 (23.34) | |
| ≥46 | 31 (16.76) | 193 (13.17) | |
| Unknown | 2 (1.08) | 17 (1.16) | |
| History of diabetes mellitus | <0.001 | ||
| Yes | 37 (20.00) | 126 (8.60) | |
| No | 148 (80.00) | 1339 (91.40) | |
| Family history of PC | 0.811 | ||
| Yes | 8 (4.32) | 58 (3.96) | |
| No | 177 (95.68) | 1407 (96.04) |
a P-values calculated by chi-square test.
bBMI: body mass index.