Table 1 Demographic and clinical characteristics of children who presented to the respiratory outpatient clinic, before and after the intervention
Demographic and clinical characteristics at presentation | Before N = 1290 | After N = 166 | p-value |
|---|---|---|---|
Home address | |||
 Da Nang | 611 (47.4) | 106 (63.9) |  < 0.001 |
 Quang Namc | 493 (38.2) | 42 (25.3) | 0.001 |
 Quang Ngaic | 115 (8.9) | 7 (4.2) | 0.04 |
 Otherc | 71 (5.5) | 11 (6.6) | 0.59 |
Age | |||
 2–23 months | 761 (59.9) | 83 (50.0) | 0.03 |
 24–59 months | 529 (41.0) | 83 (50.0) |  |
Signs and symptoms | |||
 Wheezea | 125 (9.7) | 16 (9.6) | 1.00 |
 Runny nose | 1010 (78.3) | 140 (84.3) | 0.09 |
 Feverb | 452 (35.0) | 67 (40.4) | 0.20 |
Chest radiograph findings | |||
 Done | 445/1290 (34.5) | 24/166 (14.5) |  < 0.001 |
  Normal | 262/445 (58.9) | 20/24 (83.3) | 0.02 |
  Consolidation/patchy infiltration | 106 (23.8) | 3 (12.5) | 0.32 |
  Other | 77 (17.3) | 1 (4.2) | 0.15 |
Blood neutrophil | |||
 Done | 518/1290 (40.2) | 63/166 (38.0) | 0.61 |
   < 5,000 g/l | 227/518 (43.8) | 35/63 (55.6) | 0.08 |
  5–10,000 g/l | 218 (42.1) | 19 (30.2) | 0.08 |
   > 10,000 g/l | 73 (14.1) | 9 (14.3) | 1.00 |
CRP | |||
 Done | 378/1290 (29.3) | 55/166 (33.1) | 0.32 |
   < 50 g/l | 335/378 (88.6) | 47/55 (83.6) | 0.27 |
   ≥ 50 mg/l | 43 (11.4) | 8 (14.4) |  |
ICD-10 code assigned | |||
 Pneumonia (J15, J18) | 352/1290 (27.3) | 21/166 (12.7) |  < 0.001 |
 Bronchiolitis (J21) | 85 (6.6) | 4 (2.4) | 0.04 |
 Asthma (J45) | 34 (2.6) | 6 (7.6) | 0.55 |
 Bronchitis (J20) | 161 (12.5) | 27 (16.3) | 0.18 |
 URTI (J00-J06, H65, H66,J31) | 658 (51.0) | 108 (65.0) | 0.001 |