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Table 1 Characteristics of patients, operated on between 2007 and 2008 for cancer of the colon or rectum in NSW, Australia

From: Assessing measures of comorbidity and functional status for risk adjustment to compare hospital performance for colorectal cancer surgery: a retrospective data-linkage study

  

Full cohort (n = 6964)

Patients operated on between 2007 and 2008 in a public hospital with a ClinCR record 01/2007 to 12/2008 (n = 3,079)

  

Charlson recorded (n = 6,964, 100 %)

ASA Status recorded (n = 5430; 78.0 %)

ASA Status missing (n = 1534; 22.0 %)

ECOG-PS recorded (n = 748; 24.3 %)

ECOG-PS missing (n = 2,331; 75.7 %)

Age at admission

Mean (range)

68.9 (14 to 99)

69.0 (14 to 99)

68.6 (21 to 97)

68.0 (15 to 95)

69.8 (20 to 97)

 

Median (IQR)

70 (61 to 78)

70 (61 to 78)

69 (61 to 78)

69 (60 to 77)

71 (62 to 79)

Sex

Male

3763 (54 %)

2930 (54 %)

833 (54 %)

435 (58 %)

1241 (53 %)

 

Female

3201 (46 %)

2500 (46 %)

701 (46 %)

313 (42 %)

1090 (47 %)

Emergencya

Non-emergency

5519 (89 %)

4353 (89 %)

1166 (91 %)

607 (86 %)

1906 (83 %)

 

Emergency

659 (11 %)

539 (11 %)

120 (9 %)

101 (14 %)

404 (17 %)

Country of birtha

Non-Australian

1920 (28 %)

1519 (28 %)

401 (26 %)

338 (45 %)

816 (35 %)

 

Australian

4997 (72 %)

3876 (72 %)

1121 (74 %)

410 (55 %)

1506 (65 %)

Extent of disease

Localised

2549 (37 %)

1928 (36 %)

621 (40 %)

197 (26 %)

798 (34 %)

 

Regional

3218 (46 %)

2544 (47 %)

674 (44 %)

387 (52 %)

1108 (48 %)

 

Distant

843 (12 %)

697 (13 %)

146 (10 %)

133 (18 %)

327 (14 %)

 

Unknown

354 (5 %)

261 (5 %)

93 (6 %)

31 (4 %)

98 (4 %)

Private hospital

Public

3848 (55 %)

3202 (59 %)

646 (42 %)

748 (100 %)

2331 (100 %)

 

Private

3116 (45 %)

2228 (41 %)

888 (58 %)

  
  1. aMissing values: Emergency status (n = 786), Country of birth (n = 47)