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Table 2 Description of all significant fever clusters (p ≤ 0.05) detected by the scan statistic during our test period (23 October 2005 to 21 May 2006)

From: Tracking the spatial diffusion of influenza and norovirus using telehealth data: A spatiotemporal analysis of syndromic data

Year Week Location Number of PCTs involved Observed calls (O) Expected calls (E) O/E p-value
   (centroid PCT) (radius in km)   [based on control period]   
2005 47 Ashton, Leigh and Wigan 8 (20) 34 15 2.23 0.005
  48 Warrington 8 (22) 42 20 2.15 0.002
  49 North Lancashire 11 (61) 71 31 2.27 0.001
  49 Salford 19 (39) 100 57 1.75 0.001
  50 East Lancashire 29 (72) 214 125 1.71 0.001
  50 East and North Hertfordshire 2 (22) 18 5 3.33 0.001
  51 North Lancashire 50 (147) 394 245 1.6 0.001
  51 South Staffordshire 59 (125) 404 309 1.31 0.01
  52 Wirral 22 (71) 156 100 1.56 0.001
  52 Hull 72 (185) 347 278 1.25 0.008
2006 02 Derbyshire County 12 (50) 114 66 1.74 0.001
  03 Nottingham City 21 (75) 266 170 1.56 0.001
  03 Telford and Wrekin 20 (74) 191 135 1.42 0.001
  04 Leicester City 31 (92) 405 276 1.47 0.001
  04 Shropshire County 15 (64) 175 110 1.59 0.001
  04 Bath and North East Somerset 31 (140) 325 251 1.29 0.002
  05 Gloucestershire 76 (154) 937 722 1.30 0.001
  05 Mid Essex 72 (185) 879 720 1.22 0.001
  06 Southampton city 69 (164) 889 661 1.34 0.001
  06 North East Essex 66 (187) 855 660 1.30 0.001
  07 Torbay 32 (250) 337 251 1.34 0.001
  07 East Sussex Downs and Weald 68 (194) 549 453 1.21 0.003
  08 West Sussex 18 (64) 117 72 1.61 0.001
  08 Oxfordshire 38 (87) 201 149 1.35 0.01
  09 West Hertfordshire 21 (34) 124 74 1.68 0.001
  09 Berkshire West 30 (76) 212 148 1.43 0.001
  14 Northumberland 6 (62) 33 13 2.46 0.001
  1. PCT, Primary Care Trust.