Table 2

Calibration of the PIM model

Decile
12345678910Total
DiedObserved4.07.08.09.033.030.045.058.0113.0270.0577.0
Expected4.37.510.214.020.831.346.271.4117.6336.6659.9
O:E ratio0.940.930.790.641.590.960.970.810.960.800.87
SurvivedObserved721.0719.0717.0716.0693.0695.0680.0667.0613.0455.06676.0
Expected720.7718.5714.8711.0705.2693.7678.8653.6608.4388.46593.1
O:E ratio1.001.001.001.010.981.001.001.021.011.171.01