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Table 2 Isotonic Cluster characteristics, after exclusion of patients with potential confounding factors

From: Spatial analysis of hypospadias cases in northern France: taking clinical data into account

Cluster p Cluster RR Population Isotonic level Radius (km) Number of cantons Cases Expected RR for each level
1 < 0.0001 1.75 37,368 1 14.8 7 41 15.52 2.83
2 19.2 3 9 6.3 1.53
3 28.9 14 67 49.81 1.44
2 < 0.0001 1.65 37,369 1 2.4 2 13 5.39 2.55
2 6.2 4 37 15.95 2.45
3 8.3 4 24 19.70 1.29
4 12.6 9 38 33.99 1.18
  1. RR relative risk, Expected expected number of cases