| Sl No | Presenting feature/ complications | With infection (47) | No. infection (71) | OR | P value |
| 1 | Breathlessness | 42 | 60 | 1.53(0.50-5.22) | 0.32 |
| 2 | Vomiting | 35 | 56 | 0.87(0.35-2.25) | 0.47 |
| 3 | Altered sensorium | 37 | 46 | 1.99(0.86-4.86) | 0.07 |
| 4 | Fever | 34 | 27 | 6.63 (2.6-16.64) | 0.00 |
| 5 | Dehydration | 26 | 25 | 2.26(1.06-4.87) | 0.02 |
| 6 | Abdominal pain | 18 | 23 | 1.39(0.63-3.04) | 0.26 |
| 7 | Hypoglycemia | 12 | 6 | 3.66(1.27-11.43) | 0.01 |
| 8 | Shock at presentation | 10 | 5 | 3.523(1.13- 12.21) | 0.02 |
| 9 | Cerebral edema | 20 | 8 | 5.74(2.28-15.4) | 0.00 |
| 10 | Inotropes during therapy | 13 | 4 | 6.29(1.98-23.93) | 0.00 |
| 11 | Need for ventilation | 12 | 4 | 5.65(1.75-21.64) | 0.003 |
| 12 | ARF | 9 | 2 | 8.02(1.80-56.94) | 0.00 |
| 13 | Death | 11 | 2 | 10.349(2.41-71.87) | 0.00 |