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Table 2 Median distances of cases to Farm A per group as function of the threshold wind velocity

From: Integrating interdisciplinary methodologies for One Health: goat farm re-implicated as the probable source of an urban Q fever outbreak, the Netherlands, 2009

Emission profile Threshold wind speed Number of cases Distance to Farm A (median and 95 % CI) Kruskal-Wallis p-value
Group 1 Group 2 Group 1 Group 2
con Year 0 148 92 2760 [2345; 3062] 3207 [2680; 3652] 0.0094
2 148 92 2612 [2182; 2970] 3491 [3002; 3890] 0.0001
4 154 86 2735 [2326; 3038] 3308 [2804; 3692] 0.0055
6 144 96 2694 [2372; 3018] 3352 [2968; 3742] 0.0054
lNormEpi 0 155 85 2747 [2372; 3053] 3259 [2804; 3789] 0.0029
2 153 87 2661 [2222; 3018] 3393 [2982; 3751] 0.0012
4 151 89 2715 [2301; 3022] 3372 [2812; 3742] 0.0032
6 140 100 2670 [2274; 3018] 3317 [2920; 3602] 0.0026
  1. Number of cases and median distance of cases’ residence (six-figure postcode) from Farm A per group, stratified by emission profile and the threshold wind speed. The last column gives the p-values of the Kruskal-Wallis test