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Table 2 Correlation between PCT quartiles and mortality adjusted for age and sex

From: Plasma procalcitonin is associated with all-cause and cancer mortality in apparently healthy men: a prospective population-based study

Subjects

Outcome

Number of eventsa

Q2 versus Q1

Q3 versus Q1

Q4 versus Q1

Pfor linear trend

HR (95% CI)

HR (95% CI)

HR (95% CI)

All subjects

All-cause mortality

8.39

1.05 (0.77 to 1.43)

1.29 (0.96 to 1.73)

1.63 (1.22 –to 2.17)

<0.001***

Cancer mortality

3.88

1.07 (0.69 to 1.68)

1.47 (0.96 to 1.25)

1.60 (1.04 to 2.43)

0.014*

CVD mortality

2.34

1.24 (0.67 to 2.29)

1.30 (0.71 to 2.36)

1.94 (1.09 to 3.42)

0.016*

Mortality from causes other than cancer and CVD

2.16

0.92 (0.50 to 1.68)

1.08 (0.60 to 1.93)

1.49 (0.86 to 2.60)

0.096

Men

All-cause mortality

11.14

0.98 (0.67 to 1.45)

0.98 (0.68 to 1.42)

1.50 (1.08 to 2.09)

0.020*

Cancer mortality

4.92

1.54 (0.86 to 2.75)

1.23 (0.68 to 2.21)

1.96 (1.15 to 3.35)

0.027*

CVD mortality

3.13

0.74 (0.34 to 1.61)

0.86 (0.43 to 1.72)

1.41 (0.76 to 2.60)

0.208

Mortality from causes other than cancer and CVD

3.09

0.65 (0.03 to 1.40)

0.86 (0.44 to 1.67)

1.15 (0.62 to 2.12)

0.557

Women

All-cause mortality

6.30

1.45 (0.86 to 2.46)

1.57 (0.91 to 2.71)

2.04 (1.22 to 2.34)

0.004*

Cancer mortality

3.13

1.51 (0.77 to 2.99)

1.25 (0.59 to 2.62)

1.62 (0.81 to 3.23)

0.295

CVD mortality

1.74

1.18 (0.36 to 3.86)

1.91 (0.61 to 6.00)

2.73 (0.93 to 8.06)

0.012*

Mortality from causes other than cancer and CVD

1.46

1.66 (0.52 to 5.25)

2.17 (0.68 to 6.96)

2.40 (0.78 to 7.38)

0.106

  1. Cox regression analysis adjusted for age and sex. aExpressed per 1,000 person years. CI, confidence interval; CVD, cardiovascular disease; HR, hazard ratio; PCT, procalcitonin; Q, quartile. *P <0.05, ***P <0.001.