Skip to main content

Table 2 Mortalities predicted by the four systems

From: Assessment of performance of four mortality prediction systems in a Saudi Arabian intensive care unit

System N Actual mortality Predicted mortality SMR 95% CI Survivors Non-survivors
MPM II0 969 0.320 0.319 1.00 0.91–1.10 0.190 ± 0.205 0.592 ± 0.307*
MPM II24 681 0.316 0.341 0.92 0.82–1.03 0.221 ± 0.220 0.602 ± 0.290*
APACHE II 681 0.316 0.315 1.00 0.89–1.11 0.213 ± 0.211 0.536 ± 0.279*
SAPS II 681 0.316 0.290 1.09 0.97–1.21 0.189 ± 0.215 0.507 ± 0.311*
  1. *P < 0.001 for survivors versus non-survivors. CI, confidence interval.