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Table 1 Basic demographics and ED presentations by province, group, and fiscal year

From: Frequent users of emergency departments and patient flow in Alberta and Ontario, Canada: an administrative data study

Fiscal Year

Characteristic

Alberta

Ontario

Control

HSU

Control

HSU

2011/2012

Number of patients

390,247

97,736

1,743,552

436,438

 Female (%)

294,575 (51.8)

368,229 (54.4)

1,167,536 (53.2)

1,108,572 (54.9)

 Male (%)

274,551 (48.2)

308,330 (45.6)

1,028,548 (46.8)

909,660 (45.1)

Age at ED presentation

 Mean (SD)

45.4 (19.3)

48.0 (20.2)

48.7 (19.9)

50.6 (21.0)

 Median (Q1, Q3)

43.0 (29.0, 58.0)

46.0 (30.0, 63.0)

48.0 (32.0, 63.0)

49.0 (32.0, 68.0)

Number of ED presentations

569,126

676,559

2,196,106

2,018,238

ED presentations per patient

 Mean (SD)

1.5 (0.7)

6.9 (6.8)

1.3 (0.5)

4.6 (3.7)

 Median (Q1, Q3)

1.0 (1.0, 2.0)

5.0 (4.0, 7.0)

1.0 (1.0, 2.0)

4.0 (3.0, 5.0)

2012/2013

Number of patients

404,055

101,419

1,790,443

448,316

 Female (%)

299,402 (51.7)

379,561 (54.6)

1,182,717 (52.9)

1,138,327 (55.0)

 Male (%)

280,075 (48.3)

315,128 (45.4)

1,050,996 (47.1)

929,524 (45.0)

Age at ED presentation

 Mean (SD)

45.4 (19.1)

48.1 (20.2)

48.9 (19.8)

51.1 (21.2)

 Median (Q1, Q3)

43.0 (29.0, 58.0)

46.0 (30.0, 63.0)

48.0 (32.0, 63.0)

50.0 (32.0, 68.0)

Number of ED presentations

579,477

694,689

2,233,736

2,067,866

ED presentations per patient

 Mean (SD)

1.4 (0.7)

6.8 (6.8)

1.2 (0.5)

4.6 (3.8)

 Median (Q1, Q3)

1.0 (1.0, 2.0)

5.0 (4.0, 7.0)

1.0 (1.0, 1.0)

4.0 (3.0, 5.0)

2013/2014

Number of patients

406,584

102,268

1,794,311

453,011

 Female (%)

295,315 (51.2)

377,763 (54.4)

1,175,974 (52.8)

1,154,708 (55.1)

 Male (%)

281,447 (48.8)

316,690 (45.6)

1,050,875 (47.2)

939,564 (44.9)

Age at ED presentation

 Mean (SD)

45.5 (18.9)

48.0 (20.2)

49.0 (19.7)

51.2 (21.2)

 Median (Q1, Q3)

43.0 (30.0, 58.0)

46.0 (30.0, 63.0)

48.0 (32.0, 63.0)

50.0 (32.0, 68.0)

Number of ED presentations

576,765

694,457

2,226,878

2,094,329

ED presentations per patient

 Mean (SD)

1.4 (0.7)

6.8 (6.5)

1.2 (0.4)

4.6 (3.9)

 Median (Q1, Q3)

1.0 (1.0, 2.0)

5.0 (4.0, 7.0)

1.0 (1.0, 1.0)

4.0 (3.0, 5.0)

2014/2015

Number of patients

411,570

103,594

1,750,579

467,402

 Female (%)

296,255 (51.3)

376,531 (54.0)

1,139,718 (52.6)

1,193,239 (55.2)

 Male (%)

281,673 (48.7)

321,089 (46.0)

1,025,303 (47.4)

969,462 (44.8)

Age at ED presentation

 Mean (SD)

45.8 (19.0)

48.3 (20.3)

49.3 (19.7)

51.7 (21.4)

 Median (Q1, Q3)

43.0 (30.0, 59.0)

47.0 (31.0, 64.0)

49.0 (32.0, 64.0)

51.0 (33.0, 69.0)

Number of ED presentations

577,930

697,620

2,165,039

2,162,728

ED presentations per patient

 Mean (SD)

1.4 (0.7)

6.7 (6.6)

1.2 (0.4)

4.6 (3.9)

 Median (Q1,Q3)

1.0 (1.0, 2.0)

5.0 (4.0, 7.0)

1.0 (1.0, 1.0)

4.0 (3.0, 5.0)

2015/2016

Number of patients

401,923

101,250

1,714,037

478,424

 Female (%)

287,525 (51.3)

371,621 (54.1)

1,110,576 (52.5)

1,218,732 (54.8)

 Male (%)

273,228 (48.7)

315,196 (45.9)

1,003,345 (47.5)

1,003,386 (45.2)

Age at ED presentation

 Mean (SD)

46.1 (18.9)

48.8 (20.3)

49.5 (19.6)

51.8 (21.3)

 Median (Q1, Q3)

43.0 (30.0, 59.0)

47.0 (31.0, 64.0)

49.0 (33.0, 64.0)

51.0 (33.0, 69.0)

Number of ED presentations

560,755

686,817

2,113,961

2,222,173

ED presentations per patient

 Mean (SD)

1.4 (0.6)

6.8 (7.0)

1.2 (0.4)

4.6 (4.1)

 Median (Q1, Q3)

1.0 (1.0, 2.0)

5.0 (4.0, 7.0)

1.0 (1.0, 1.0)

4.0 (3.0, 5.0)