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Table 1 Demographic and presentation characteristics of pediatric presentations to the 15 highest volume emergency departments in Alberta from 2010 to 2015 by departmental category

From: Type of facility influences lengths of stay of children presenting to high volume emergency departments

Characteristic All EDs (na = 1,124,119) Regional EDs (n = 268,683) Urban EDs (n = 279,329) Academic/ Teaching EDs (n = 576,107)
Sex, n (%)
 Female 521,605 (46.4) 127,337 (47.4) 130,461 (46.7) 263,807 (45.8)
 Male 602,511 (53.6) 141,346 (52.6) 148,868 (53.3) 312,297 (54.2)
Age (years)
 mean (SDb) 6.6 (5.7) 7.0 (5.9) 7.6 (6.0) 5.9 (5.5)
 median [IQRc] 5.0 [1.0, 12.0] 5.0 [1.0, 13.0] 6.0 [2.0, 14.0] 4.0 [1.0, 10.0]
Zone of residence, n (%)
 Z5 North 141,728 (12.6) 128,050 (47.7) 3218 (1.2) 10,460 (1.8)
 Z4 Edmonton 379,665 (33.8) 1604 (0.6) 175,953 (63.0) 202,108 (35.1)
 Z3 Central 62,652 (5.6) 51,838 (19.3) 1640 (0.6) 9174 (1.6)
 Z2 Calgary 442,157 (39.3) 2693 (1.0) 94,644 (33.9) 344,820 (59.9)
 Z1 South 81,421 (7.2) 78,794 (29.3) 504 (0.2) 2123 (0.4)
 Missing 16,496 (1.5) 5704 (2.1) 3370 (1.2) 7422 (1.3)
Fiscal year, n (%)
 2010/2011 193,231 (17.2) 52,191 (19.4) 46,956 (16.8) 94,084 (16.3)
 2011/2012 207,257 (18.4) 54,019 (20.1) 49,912 (17.9) 103,326 (17.9)
 2012/2013 228,885 (20.4) 56,272 (20.9) 52,045 (18.6) 120,568 (20.9)
 2013/2014 240,467 (21.4) 52,686 (19.6) 61,582 (22.0) 126,199 (21.9)
 2014/2015 254,279 (22.6) 53,515 (19.9) 68,834 (24.6) 131,930 (22.9)
Month of year, n (%)
 January 96,584 (8.6) 22,450 (8.4) 22,938 (8.2) 51,196 (8.9)
 February 96,089 (8.5) 23,202 (8.6) 23,599 (8.4) 49,288 (8.6)
 March 104,653 (9.3) 25,370 (9.4) 25,546 (9.1) 53,737 (9.3)
 April 93,261 (8.3) 23,158 (8.6) 22,537 (8.1) 47,566 (8.3)
 May 100,886 (9.0) 24,338 (9.1) 26,026 (9.3) 50,522 (8.8)
 June 93,162 (8.3) 22,163 (8.2) 24,171 (8.7) 46,828 (8.1)
 July 83,106 (7.4) 19,966 (7.4) 21,024 (7.5) 42,116 (7.3)
 August 80,270 (7.1) 19,241 (7.2) 20,063 (7.2) 40,966 (7.1)
 September 90,448 (8.0) 21,488 (8.0) 23,166 (8.3) 45,794 (7.9)
 October 92,384 (8.2) 21,893 (8.1) 23,095 (8.3) 47,396 (8.2)
 November 91,971 (8.2) 21,773 (8.1) 22,568 (8.1) 47,630 (8.3)
 December 101,305 (9.0) 23,641 (8.8) 24,596 (8.8) 53,068 (9.2)
Day of week, n (%)
 Weekday (Mon-Fri) 783,905 (69.7) 185,264 (69.0) 192,291 (68.8) 406,350 (70.5)
 Weekend (Sat, Sun) 340,214 (30.3) 83,419 (31.0) 87,038 (31.2) 169,757 (29.5)
Time of day, n (%)
 Daytime (08:01–16:00) 449,174 (40.0) 110,186 (41.0) 99,088 (35.5) 239,900 (41.6)
 Evening (16:01–24:00) 531,261 (47.3) 127,687 (47.5) 141,119 (50.5) 262,455 (45.6)
 Night (00:01–08:00) 143,684 (12.8) 30,810 (11.5) 39,122 (14.0) 73,752 (12.8)
Triage level, n (%)
 1 Resuscitation 4228 (0.4) 472 (0.2) 755 (0.3) 3001 (0.5)
 2 Emergency 142,700 (12.7) 20,669 (7.7) 35,636 (12.8) 86,395 (15.0)
 3 Urgent 511,712 (45.5) 104,049 (38.7) 131,375 (47.0) 276,288 (48.0)
 4 Semi-urgent 412,229 (36.7) 130,364 (48.5) 91,550 (32.8) 190,315 (33.0)
 5 Non-urgent 52,460 (4.7) 12,419 (4.6) 19,989 (7.2) 20,052 (3.5)
 Missing 790 (0.1) 710 (0.3) 24 (0.0) 56 (0.0)
Disposition, n (%)
 Discharged 997,047 (88.7) 235,917 (87.8) 252,051 (90.2) 509,079 (88.4)
 Admitted 63,695 (5.7) 15,920 (5.9) 2735 (1.0) 45,040 (7.8)
 Transferred 11,363 (1.0) 1013 (0.4) 6462 (2.3) 3888 (0.7)
 LWBSd 45,833 (4.1) 14,026 (5.2) 15,833 (5.7) 15,974 (2.8)
 LAMAe 5968 (0.5) 1748 (0.7) 2204 (0.8) 2016 (0.3)
 Death 213 (0.0) 59 (0.0) 44 (0.0) 110 (0.0)
  1. a n count, b SD standard deviation, cIQR 25th percentile, 75th percentile;
  2. d LWBS left without being seen;
  3. e LAMA left against medical advice