Table 1

Characteristics of the patients with hypertensive crisis by age group
Age (years)
<1 (n = 7) 1–6 (n = 5) 7–12 (n = 19) 13–18 (n = 24)
Variables N % N % N % N % P-value1 P-value2
Gender
 Female 0 0.0 3 60.0 4 21.1 2 8.3 0.037 0.517
 Male 7 100.0 2 40.0 15 78.9 22 91.7
Family history 0 0.0 0 0.0 2 10.5 6 25.0 0.362 0.049
Blood Pressure
 SBP > 99th percentile +5 7 100.0 4 80.0 19 100.0 24 100.0 0.091 0.282
 DBP > 99th percentile +5 6 85.7 3 60.0 14 73.7 19 79.2 0.779 0.955
 Stage of hypertension
  Stage 1 0 0.0 1 20.0 0 0.0 0 0.0 0.108 0.313
  Stage 2 7 100.0 4 80.0 19 100.0 24 100.0
Clinical presentations
 Altered Consciousness 2 28.6 2 40.0 2 10.5 3 12.5 0.068 0.372
 Headache 0 0.0 3 60.0 13 68.4 14 58.3 0.085 0.054
 Nausea/Vomiting 2 28.6 2 40.0 8 42.1 8 33.3 0.922 0.960
 Visual symptoms 0 0.0 0 0.0 0 0.0 2 8.3 0.693 0.201
 Seizure 1 14.3 2 40.0 1 5.3 2 8.3 0.142 0.282
 Dizzy 2 28.6 0 0.0 11 57.9 12 50.0 0.094 0.130
 Chest pain 0 0.0 1 20.0 8 42.1 7 29.2 0.195 0.187
 End-organ damage 2 28.6 2 40.0 3 15.8 2 8.3 0.178 0.086
Reversibility 3 42.9 3 60.0 9 47.4 13 54.2 0.931 0.701
Anti-HTN drugs 2 28.6 2 40.0 10 52.6 16 66.7 0.285 0.054
Etiology
 Essential HTN 0 0.0 1 20.0 8 42.1 15 62.5 0.008 0.001
 Renal disease 3 42.9 1 20.0 6 31.6 4 16.7 0.423 0.166
 CNS 2 28.6 1 20.0 0 0.0 1 4.1 0.202 0.120
 Endocrine/metabolic 1 14.3 1 20.0 3 15.8 4 16.7 0.952 0.358
 CV 1 14.3 0 0.0 1 5.3 0 0.0 0.252 0.117
 Oncology 0 0.0 1 25.0 1 5.3 0 0.0 0.092 0.389
Recurrent episode 4 57.1 1 20.0 5 26.3 6 25.0 0.440 0.196
Severity
 Urgency 5 71.4 3 60.0 16 84.2 22 91.7 0.178 0.086
 Emergency 2 28.6 2 40.0 3 15.8 2 8.3
Hospitalization
 Ward 3 42.9 4 80.0 8 42.1 9 37.5 0.425 0.398
 ICU 0 0.0 1 20.0 3 15.8 3 12.5 0.271 0.886
 POU 4 57.1 0 0.0 8 42.1 12 50.0 1.000 0.565

1by Fisher’s exact test.

2by the chi-square test for trend.

SBP: systolic blood pressure; DBP: diastolic blood pressure; HTN: hypertension; CNS: central nervous systems; CV: cardio-vascular; ICU: intensive care unit; POU: pediatric observation unit.

Yang et al.

Yang et al. BMC Pediatrics 2012 12:200   doi:10.1186/1471-2431-12-200

Open Data