. 2012 Apr 25;7(4):e35567. doi: 10.1371/journal.pone.0035567

Table 2. Hazard ratio of total and disease specific causes of mortality according to telomere length.

End Point	1^st vs 4^th quartile	2^nd vs 4^th quartile	3^rd vs 4^th quartile	1–3 versus 4^th quartile
Total Mortality	1.20 (0.90, 1.61)	1.18 (0.88, 1.59)	1.48 (1.12, 1.96)	1.29 (1.01, 1.64)
Cancer Mortality	1.43 (0.94, 2.16)	1.35 (0.88, 2.07)	1.65 (1.10, 2.49)	1.48 (1.04, 2.11)
Lung Cancer Mortality	1.40 (0.83, 2.38)	1.53 (0.91, 2.60)	1.51 (0.89, 2.56)	1.48 (0.94, 2.33)
CVD Mortality	2.09 (0.85, 5.12)	1.95 (0.79, 4.84)	2.19 (0.90, 5.33)	2.08 (0.94, 4.61)
Respiratory Mortality	1.69 (0.57, 5.06)	1.59 (0.52, 4.86)	3.02 (1.10, 8.32)	2.09 (0.81, 5.36)

Adjustments were made for age, sex, smoking status (i.e. sustained smokers, intermittent quitters, quitters). Inclusion of other variables such as FEV₁% predicted, body mass index and pack years of smoking made no significant differences to the results.