Research Article
Pediatric Index of Mortality and PIM2 Scores Have Good Calibration in a Large Cohort of Children from a Developing Country
Table 1
Baseline characteristics of study patients.
| | Variables | All patients
() | Discharged
() | Died
() | value |
| | Median age in years | 4 (0.8, 10) | 3.5 (1, 10) | 3 (0.7, 10) | 0.47 | | Boys | 467 (57) | 352 (60) | 95 (57) | 0.57 | | Elective admission | 30 (3.7) | 22 (3.7) | 8 (3.4) | 0.93 | | Severe PEM | 164 (20) | 111 (19) | 49 (21) | 0.23 | | Diagnostic subgroups (admission) | | | | <0.001 | | Sepsis/severe sepsis | 377 (46) | 282 (48) | 95 (41) | 0.02 | | Cardiogenic shock/CHF/arrhythmia | 98 (18) | 36 (6) | 62 (26) | 0.8 | | Status epilepticus/raised ICP (noninfective) | 82 (10) | 31 (5) | 51 (22) | 0.08 | | Respiratory (noninfective) | 49 (6) | 47 (8) | 2 (0.8) | 0.004 | | Postoperative patients | 28 (3.4) | 27 (5) | 1 (0.6) | 0.67 | | Poisoning | 98 (12) | 97 (17) | 1 (0.6) | <0.001 | | Liver failure | 25 (3) | 13 (2) | 12 (5) | 0.27 | | Other conditions (aplastic anemia/DKA/hypertension/uremic encephalopathy) | 62 (7.5) | 54 (9) | 8 (3) | 0.06 | | High risk diagnosis (PIM) | 74 (9) | 41 (7) | 33 (14) | 0.016 | | High risk diagnosis (PIM2) | 73 (8.9) | 42 (7.1) | 31 (13) | 0.01 | | Low risk diagnosis (PIM2) | 44 (5.4) | 40 (6.8) | 4 (1.7) | 0.01 | | Any underlying chronic illness | 311 (38) | 200 (34) | 111 (48) | <0.001 | | Chronic kidney disease | 29 (3.6) | 24 (4) | 5 (2) | 0.46 | | Congenital/structural heart disease | 123 (15) | 65 (11) | 58 (25) | 0.21 | | Chronic liver disease | 4 (0.5) | 1 (0.1) | 3 (1.3) | 0.21 | | Nephrotic syndrome | 49 (6) | 47 (8) | 2 (0.8) | 0.07 | | Neurometabolic disorder/birth asphyxia/developmental delay | 41 (5) | 23 (4) | 18 (7.7) | 0.07 | | Tubercular meningitis | 25 (3) | 12 (2) | 13 (5.6) | 0.01 | | Malignancies/aplastic anemia/immunodeficiencies | 40 (5) | 28 (5) | 18 (8) | 0.1 | | Hospital course | | | | | | Need for MV during 1st hour | 180 (22) | 78 (13) | 102 (44) | <0.0001 | | Need for blood products | 368 (45) | 200 (34) | 168 (72) | <0.0001 | | Median duration of inotropes (hrs.) | 48 (30, 96) | 72 (48, 96) | 48 (24, 72) | 0.005 | | Median duration of ventilation (hrs.) | 48 (24, 76) | 52 (39, 96) | 48 ( 23, 72) | 0.16 | | Median duration of ICU stay (days) | 5 (2, 7) | 4 (2, 6) | 5 (3, 7) | 0.02 |
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