Sentence examples for years were calculated using from inspiring English sources

The percentages of patients surviving 10 years were calculated using the Kaplan Meier technique.

Rate ratios to investigate mortality variations over years were calculated using multivariate Poisson regression.

The percentages of patients surviving 2 and 5 years were calculated using the Kaplan Meier technique (Kaplan and Meier, 1958).

Mortality risks per 100 000 person years were calculated using denominator data from the mid-year population.

Mortality rates for the calendar years were calculated using STATA version 8.0 (Stata Corp., College Station, TX, USA).

Crude and age-standardised prevalence for subjects aged ⩾20 years were calculated using both the standard population of Doll et al and UN 2008 population database projections.

Timber forwarding or skidding has for some 25 years been calculated using shortest path formulations on grid networks.

In the version of this Comment originally published, the scenario in which the market stability reserve (MSR) takes in allowances for seven years was calculated using incorrect x and y values in the formula described in the caption of Fig. 2; the red bars in Fig. 2 have now been updated.

Rate of growth and doubling time in years was calculated using Eqs. 5 and 6 (Woldeamlak 2002; Abate 2011), respectively.

Cumulative average survival rate at 15 years was calculated using HSS score of ≤60 points or less as the endpoint, which can be considered as the division between satisfied and dissatisfied patients.

Biomass of trees that died during the study period of 4 years was calculated using Eq. (3) from Marzoli [59]: DB = vol × MD / A (3). Where: DB = dead biomass (ton ha-1), vol = volume of the dead tree (m3), MD = mean timber density for miombo species (0.65 for miombo woodlands of central and northern Mozambique) and A = sampling area (3.55 ha).