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Table 1 Population characteristics: Baseline and follow-up (N = 601,331)

From: Prevalence of multimorbidity in adults with cancer, and associated health service utilization in Ontario, Canada: a population-based retrospective cohort study

Characteristics

N (%)

Female Sex

294,490 (49)

Age group

 18–44

49,362 (8.2)

 45–64

217,229 (36.1)

 65+

334,740 (55.7)

Rural residency

85,547 (14.2)

Region

 Central

190,015 (31.6)

 Central east

94,127 (15.7)

 East

83,660 (13.9)

 North

45,937 (7.6)

 South

104,718 (17.4)

 Southwest

82,592 (13.7)

Cancer type

 Brain and Other Nervous System

8553 (1.4)

 Breast

81,553 (13.6)

 Cervix Uteri

5197 (0.9)

 Colon and Rectum

71,754 (11.9)

 Digestive System, except Colon

49,621 (8.3)

 Endocrine System

22,564 (3.8)

 Female Genital System, except

30,983 (5.2)

 Leukemia

16,996 (2.8)

 Lung and Bronchus

75,619 (12.6)

 Lymphoma

28,437 (4.7)

 Myeloma

8487 (1.4)

 Oral Cavity and Pharynx

13,715 (2.3)

 Other

39,691 (6.6)

 Prostate

87,377 (14.5)

 Skin excluding Basal and Squam

23,952 (4)

 Urinary System

36,832 (6.1)

Stage of cancer

 1

80,182 (13.3)

 2

103,148 (17.2)

 3

61,109 (10.2)

 4

69,693 (11.6)

 unknown

287,199 (47.8)

Multimorbidity

 No additional condition

52,083 (8.7)

 1

97,478 (16.2)

 2

118,310 (19.7)

 3

109,166 (18.2)

 4

85,077 (14.1)

 5 or more conditions

139,217 (23.2)

Follow-up in years: Average (SD); range

5.8 (4.5); 0a - 15

Health service use within the first year (follow-up > =30 daysb)

Primary care visit: at least one

519,752 (92.2)

 Primary care visit: High use (90th pct, i.e. > = 15)

63,835 (11.4)

ED visit: at least one

228,280 (40.7)

 ED visit: High use (90th pct, i.e. > 3)

57,239 (10.2)

Hospital admission: at least one

325,513 (58.1)

 Hospital admission: High use (90th pct, i.e. > = 2)

127,976 (22.8)

Mortality (follow-up > =30 days)

 

 Within first year

107,378 (19.2)

 Within five years

219,315 (39.1)

 Overall, during follow-up

281,268 (49.8)

  1. a7503 with follow-up = 0; all deceased same day as cancer diagnosis (93% with at least another condition, 15% with 4 conditions and 30% with 5 or more conditions). b 40,761 with follow-up< 30 days (i.e. died within 30 days) excluded