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Table 1 Demographic and clinical characteristics of adults who underwent ambulatory surgery in Ontario between 2014 and 2018

From: Pain and haemorrhage are the most common reasons for emergency department use and hospital admission in adults following ambulatory surgery: results of a population-based cohort study

Characteristics

Total, N = 484,670

ED visits, N = 14,950

Hospital admission, N = 14,236

n (%)

n (%)

n (%)

Mean age (± SD)

51.80 (± 15.46)

50.74 (± 18.04)

56.07 (± 17.08)

Age categories

 18–40

116,114 (24)

4680 (31.3)

2853 (20.1)

 41–60

225,152 (46.5)

5397 (36.1)

5186 (36.4)

 61–70

86,486 (17.8)

2543 (17.0)

3079 (21.6)

 71–90+

56,918 (11.7)

2330 (15.6)

3118 (21.9)

Sex

 Female

274,247 (56.6)

7414 (49.6)

7762 (54.5)

 Male

210,423 (43.4)

7536 (50.4)

6474 (45.5)

Material deprivation quintile

 1—lowest

104,530 (21.6)

2699 (18.1)

2555 (17.9)

 2

102,621 (21.2)

2920 (19.5)

2795 (19.6)

 3

95,956 (19.8)

2866 (19.2)

2795 (19.6)

 4

90,662 (18.7)

2973 (19.9)

2889 (20.3)

 5—highest

87,529 (18.1)

3270 (21.9)

3005 (21.1)

 Missing

3372 (0.7)

222 (1.5)

197 (1.4)

Residence*

 Urban

416,877 (86.0)

12,069 (80.7)

11,622 (81.6)

 Rural

67,237 (13.9)

2867 (19.2)

2597 (18.2)

 Missing

556 (0.1%)

14 (0.1%)

17 (0.1%)

Number of major ADGs

 0

207,310 (42.8)

5389 (36.0)

4354 (30.6)

 1

177,491 (36.6)

5307 (35.5)

4743 (33.3)

 2+

99,869 (20.6)

4254 (28.5)

5139 (36.1)

Usual provider of care model

 Family Health Group†

115,522 (23.8)

3265 (21.8)

3065 (21.5)

 Family Health Team‡

142,311 (29.4)

4778 (32.0)

4457 (31.3)

 Family Health OrganizationII

141,696 (29.2)

3954 (26.4)

3851 (27.1)

 No model

66,391 (13.7)

2364 (15.8)

2216 (15.6)

 Comprehensive Care Model**

14,184 (2.9)

402 (2.7)

466 (3.3)

 Other

4551 (0.9)

186 (1.2)

181 (1.3)

Type of surgery

 Muscle repair of the chest and abdomen: hernia

110,802 (22.9)

4441 (29.7)

3875 (27.2)

 Partial hysterectomy

102,073 (21.1)

1222 (8.2)

1443 (10.1)

 Cholecystectomy

82,891 (17.1)

3463 (23.2)

5417 (38.1)

 Knee joint repair

81,000 (16.7)

1702 (11.4)

509 (3.6)

 Nerves in the forearm and wrist

40,340 (8.3)

1090 (7.3)

248 (1.7)

 Shoulder surgery

41,537 (8.6)

1444 (9.7)

1187 (8.3)

 Appendectomy

4444 (0.9)

179 (1.2)

950 (6.7)

 Implantation of internal devices, tympanic membrane

5156 (1.1)

81 (0.5)

30 (0.2)

 Tonsillectomy

16,427 (3.4)

1328 (8.9)

577 (4.1)

  1. *Estimates based on Rurality Index of Ontario 2008
  2. †Family Health Groups are groups of 3 or more family MDs. Care is provided through regular office hours and extended hours (weekday evenings and/or weekends) and they utilize fee-for-service plus some incentives and bonuses for services provided to enrolled patients (Government of Ontario, 2017)
  3. ‡Family Health Teams are community-focused primary healthcare organizations that consist of interprofessional teams including MDs, nurse practitioners, registered nurses, social workers, dietitians and other professionals who work together. Physicians are paid through a blended salary model. Other health professionals are paid through salary (Government of Ontario, 2017)
  4. IIFamily Health Organizations are groups of 3 or more family MDs who commit to enrol patients; care provided through regular office hours and extended hours based on the number of physicians; services are paid through a blended capitation model plus some incentives and bonuses for services to enrolled patients
  5. **Comprehensive Care Models are solo primary care MD’s; care is provided through regular office hours plus at least one session of extended hours weekly and utilize fee-for-service plus some incentives and bonuses for service (Government of Ontario, 2017)
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Perioperative Medicine

ISSN: 2047-0525