Research Article

Pediatric Index of Mortality and PIM2 Scores Have Good Calibration in a Large Cohort of Children from a Developing Country

Table 3

Calibration of the scores across age and diagnostic subgroups.

Variable PIM PIM2
Area under ROC curveHosmer-Lemeshow chi-square ( value)Area under ROC curveHosmer-Lemeshow chi-square ( value)

Age range
1 year229 (28)0.649.8 (0.27)0.67 10 (0.2)
 1–4 years 205 (25)0.8011 (0.06)0.79 8.3 (0.4)
 5–10 years 180 (22)0.7410.45 (0.23)0.793.9 (0.8)
10 year205 (25)0.756.9 (0.5)0.75 7.2 (0.5)
Diagnoses
 Sepsis 377 (46)0.736.3 (0.6)0.747.7 (0.45)
 Cardiac98 (18)0.620.38 (8.5)0.704.4 (0.8)
 Neurological 82 (10)0.730.19 (11)0.755.6 (0.7)
 Respiratory49 (6)0.970.45 (1)
 Postoperative 28 (3.4)0.68 13 (0.05)
 Poisoning98 (12)
 Liver failure25 (3)0.706.9 (0.5)0.8510 (0.22)
 Other conditions62 (7.5)0.609 (0.33)0.58.2 (0.4)