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. 2021 Oct 22;9(11):1521. doi: 10.3390/biomedicines9111521

Table 3.

Multivariable-adjusted HRs and 95% CIs for an increment of one SD of Se or SELENOP for overall and CRC-specific mortality in sensitivity analyses and across strata of potential effect modifiers among CRC cases in the EPIC study.

Overall Mortality CRC-Specific Mortality a
Risk Factor Deaths/Total HR (95% CI) b Ptrend d or interaction c Deaths/Total HR (95% CI) b Ptrend d or interaction c
Selenium
All participants 514/993 0.91 (0.83–1.00) 0.04 d 395/969 0.90 (0.81–1.00) 0.06 d
Sensitivity analyses
Complete CRC stage data e 450/857 0.91 (0.82–1.00) 0.05 d 355/839 0.92 (0.82–1.03) 0.14 d
Imputed CRC stage data 514/993 0.92 (0.84–1.01) 0.07 d 395/969 0.91 (0.82–1.02) 0.09 d
Follow-up (years)
≥2 257/732 0.94 (0.83–1.07) 0.37 d 165/711 0.94 (0.80–1.10) 0.42 d
≥4 158/631 1.02(0.87–1.19) 0.83 d 77/611 1.03 (0.84–1.28) 0.76 d
Time between blood collection and diagnosis (years)
<2.6 176/330 0.93 (0.78–1.12) 0.03 138/325 0.89 (0.73–1.10) 0.01
[2.6–4.8) 175/332 0.86 (0.73–1.01) 133/321 0.84 (0.70–1.02)
≥4.8 163/331 1.00 (0.83–1.21) 124/323 1.00 (0.80–1.25)
Stratified Analyses
Sex
Women 252/516 0.92 (0.80–1.06) 0.52 202/505 0.93 (0.79–1.08) 0.48
Men 262/477 0.87 (0.77–1.00) 193/464 0.86 (0.73–1.01)
Age at diagnosis (years)
<62.4 215/497 0.94 (0.80–1.11) 0.51 184/493 0.95 (0.80–1.13) 0.38
≥62.4 299/496 0.89 (0.79–1.00) 211/476 0.86 (0.75–0.99)
Cancer site
Colon 333/626 0.89(0.80–1.00) 0.56 255/611 0.89 (0.78–1.01) 0.87
Rectum 181/367 0.92 (0.77–1.09) 140/358 0.90 (0.74–1.09)
Stage e
I–II 128/413 1.03 (0.84–1.25) 0.11 79/399 1.08 (0.85–1.37) 0.10
III–IV 322/444 0.90 (0.80–1.01) 276/440 0.89 (0.78–1.01)
Region f
Northern 194/330 0.79 (0.68–0.91) 0.03 158/325 0.75 (0.64–0.89) 0.01
Central 227/436 0.97 (0.83–1.13) 163/418 0.94 (0.79–1.13)
Southern 93/227 1.03 (0.81–1.30) 74/226 1.21 (0.92–1.58)
Selenoprotein P
All participants 513/990 0.94 (0.85, 1.03) 0.17 d 395/966 0.95 (0.86–1.06) 0.39 d
Sensitivity analyses
Complete CRC stage data e 450/856 0.94 (0.84, 1.04) 0.22 d 355/838 0.95 (0.86–1.06) 0.39 d
Imputed CRC stage data 513/990 0.94 (0.86, 1.04) 0.24 d 395/966 0.97 (0.87–1.08) 0.58 d
Follow-up (years)
≥2 257/730 0.93 (0.82, 1.07) 0.31 d 165/709 0.97 (0.82–1.15) 0.74 d
≥4 158/629 0.99 (0.83, 1.17) 0.88 d 77/609 1.10 (0.86–1.40) 0.45 d
Time between blood collection and diagnosis (years)
<2.6 176/329 0.88 (0.74–1.05) 0.15 138/324 0.88 (0.72–1.07) 0.45
[2.6–4.8) 175/331 0.87(0.74–1.04) 133/320 0.90 (0.74–1.10)
≥4.8 162/330 1.06(0.88–1.28) 124/322 1.16 (0.93–1.44)
Stratified Analyses
Sex
Women 252/514 0.91(0.79–1.06) 0.74 202/503 0.97 (0.82–1.15) 0.76
Men 261/476 0.92(0.81–1.05) 193/463 0.92 (0.79–1.08)
Age at diagnosis (years)
<62.4 216/497 0.91(0.78–1.07) 0.66 185/493 0.91 (0.76–1.08) 0.83
≥62.4 297/493 0.93(0.82–1.05) 210/473 0.97 (0.84–1.12)
Cancer site
Colon 332/626 0.94(0.84–1.06) 0.80 255/611 0.97 (0.85–1.10) 0.84
Rectum 181/364 0.86(0.71–1.04) 140/355 0.94 (0.76–1.17)
Stage e
I–II 127/410 0.95(0.78–1.15) 0.90 78/396 1.09 (0.85–1.38) 0.37
III–IV 323/446 0.95(0.84–1.08) 277/442 0.96 (0.84–1.11)
Region f
Northern 194/330 0.88(0.77–1.01) 0.49 158/325 0.90 (0.77–1.05) 0.31
Central 226/432 0.96(0.82–1.13) 163/414 0.94 (0.78–1.14)
Southern 93/228 1.03(0.79–1.34) 74/227 1.20 (0.88–1.62)

a Excluded 24 cases with missing cause of death. b Adjusted for age, sex, stage, smoking status, BMI, site of primary tumor, year of diagnosis, and baseline diabetes. Stratified by country. c P for trend or interaction (as estimated by the likelihood ratio test). d P for trend. e Participants with missing data were not included in the analysis. f Geographic regions: Northern = Denmark; Central = UK, The Netherlands, Germany, North of France; Southern = South of France, Italy, Spain.