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Table 1 Descriptive statistics of the data used for fitting a trend SARerr model of BT spread in France in 2007-2008, based on clinical cases of BTV-8.

From: Estimating front-wave velocity of infectious diseases: a simple, efficient method applied to bluetongue

variable

min

max

average

median

X

-743.9

168.2

-208.4

-197.8

Y

-868.2

26.3

-339.6

-328.5

t

270

715

491

556

  1. X and Y are the geographic coordinates (in km) of the municipality centroids adjusted to the area of BT introduction, t is the number of days to the BT introduction in 2006 (excluding 90 days corresponding to the period from 1 January to 31 March), min and max, are the minimum and maximum values, respectively.