Table 3 Spatio-temporal cluster results on BD incidence at county level, 2011–2019
From: Spatio-temporal analysis of bacillary dysentery in Sichuan province, China, 2011–2019
Year | Cluster | Cluster areas | Cluster center/radius (km) | Cluster time | RR | LLR | P value |
|---|---|---|---|---|---|---|---|
2011 | Most likely cluster | 34 | (27.69 N, 101.38 E)/253.85 | 2011/4/1 to 2011/9/30 | 9.36 | 4307.35 | < 0.0001 |
Secondary cluster | 12 | (32.00 N, 101.97 E)/149.81 | 2011/4/1 to 2011/9/30 | 8.59 | 548.74 | < 0.0001 | |
2nd secondary cluster | 6 | (30.59 N, 104.02 E)/16.86 | 2011/4/1 to 2011/9/30 | 2.59 | 246.70 | < 0.0001 | |
2012 | Most likely cluster | 42 | (28.42 N, 100.85 E)/280.99 | 2012/4/1 to 2012/9/30 | 7.93 | 3133.91 | < 0.0001 |
Secondary cluster | 13 | (32.58 N, 102.59 E)/163.64 | 2012/3/1 to 2012/8/31 | 6.06 | 288.83 | < 0.0001 | |
2nd secondary cluster | 7 | (30.61 N, 104.11 E)/20.15 | 2012/4/1 to 2012/9/30 | 2.36 | 172.56 | < 0.0001 | |
2013 | Most likely cluster | 55 | (28.68 N, 99.34 E)/417.29 | 2013/3/1 to 2013/8/31 | 7.75 | 3003.06 | < 0.0001 |
Secondary cluster | 4 | (33.68 N, 102.90 E)/126.37 | 2013/7/1 to 2013/12/31 | 11.18 | 227.52 | < 0.0001 | |
2nd secondary cluster | 1 | (30.07 N, 104.74 E)/0.00 | 2013/4/1 to 2013/4/30 | 12.49 | 182.34 | < 0.0001 | |
2014 | Most likely cluster | 55 | (28.68 N, 99.34 E)/417.29 | 2014/4/1 to 2014/9/30 | 6.95 | 1952.17 | < 0.0001 |
Secondary cluster | 7 | (32.24 N, 103.04 E)/113.85 | 2014/6/1 to 2014/11/30 | 7.54 | 163.73 | < 0.0001 | |
2nd secondary cluster | 7 | (30.73 N, 104.04 E)/19.23 | 2014/4/1 to 2014/9/30 | 2.14 | 87.08 | < 0.0001 | |
2015 | Most likely cluster | 54 | (28.68 N, 99.34 E)/412.13 | 2015/4/1 to 2015/9/30 | 6.55 | 1557.76 | < 0.0001 |
Secondary cluster | 4 | (33.68 N, 102.90 E)/126.37 | 2015/7/1 to 2015/12/31 | 15.43 | 275.54 | < 0.0001 | |
2nd secondary cluster | 5 | (29.39 N, 104.85 E)/20.85 | 2015/6/1 to 2015/10/31 | 3.28 | 87.18 | < 0.0001 | |
2016 | Most likely cluster | 54 | (28.68 N, 99.34 E)/412.13 | 2016/4/1 to 2016/9/30 | 7.00 | 1620.57 | < 0.0001 |
Secondary cluster | 9 | (32.63 N, 103.45 E)/127.80 | 2016/4/1 to 2016/9/30 | 5.20 | 126.32 | < 0.0001 | |
2nd secondary cluster | 3 | (29.39 N, 104.85 E)/18.29 | 2016/4/1 to 2016/9/30 | 3.86 | 84.39 | < 0.0001 | |
2017 | Most likely cluster | 55 | (28.68 N, 99.34 E)/417.29 | 2017/4/1 to 2017/9/30 | 7.96 | 1884.31 | < 0.0001 |
Secondary cluster | 9 | (32.63 N, 103.45 E)/127.80 | 2017/5/1 to 2017/10/31 | 4.76 | 103.72 | < 0.0001 | |
2nd secondary cluster | 3 | (29.39 N, 104.85 E)/18.29 | 2017/5/1 to 2017/10/31 | 3.16 | 59.54 | < 0.0001 | |
2018 | Most likely cluster | 54 | (28.68 N, 99.34 E)/412.13 | 2018/3/1 to 2018/8/31 | 5.94 | 1086.65 | < 0.0001 |
Secondary cluster | 4 | (33.68 N, 102.90 E)/126.37 | 2018/6/1 to 2018/11/30 | 16.60 | 243.28 | < 0.0001 | |
2nd secondary cluster | 1 | (30.41 N, 105.42 E)/0.00 | 2018/5/1 to 2018/10/31 | 9.04 | 207.74 | < 0.0001 | |
2019 | Most likely cluster | 24 | (26.95 N, 101.97 E)/250.58 | 2019/5/1 to 2019/10/31 | 10.76 | 1963.02 | < 0.0001 |
Secondary cluster | 13 | (32.58 N, 102.59 E)/163.64 | 2019/4/1 to 2019/9/30 | 11.90 | 485.82 | < 0.0001 | |
2nd secondary cluster | 1 | (30.41 N, 105.42 E)/0.00 | 2019/5/1 to 2019/10/31 | 7.62 | 165.76 | < 0.0001 |