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Table 1 Descriptive statistics for daily emergency department visits during May to September in the 20-county Atlanta Metropolitan area, 1993–2012. Outcomes are ordered by decreasing total counts

From: Using logic regression to characterize extreme heat exposures and their health associations: a time-series study of emergency department visits in Atlanta

Disease ICD-9 Code(s) Mean Daily ED Visits Standard Deviation Min Max
All Internal Causes 001–799 2553 1328 192 5557
Diabetes 249, 250 215 171 0 630
Fluid and Electrolyte Imbalancea 276 162 116 0 413
All Circulatory System Diseases 390–459 623 467 3 1652
Hypertension 401–405 491 408 0 1407
Ischemic Heart Disease 410–414 120 87 0 327
Myocardial Infarctiona 410 14 8 0 40
Congestive Heart Failure 428 74 58 0 245
Ischemic Stroke 433–437 23 15 0 67
All Renal Diseases 580–593 139 118 0 447
Acute Renal Failurea 584 36 42 0 155
Heat-related Illnessesa 992.5 4 6 0 64
  1. aDiagnosis based on primary ICD code only