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Table 1 Characteristics of breast cancer patients diagnosed in 2005, 2008 and 2011 in Catalonia, Spain, according to surgical treatment

From: Trends in the surgical procedures of women with incident breast cancer in Catalonia, Spain, over a 7-year period (2005–2011)

 

SURGERY

NO SURGERY

 

2005

2008

2011

 

2005

2008

2011

 
 

n

(%)

n

(%)

n

(%)

β* (95% CI)

n

(%)

n

(%)

n

(%)

β* (95% CI)

Age

              

  ≤49

795

(26.8)

915

(28.4)

876

(26.3)

-0.003 (-0.017; 0.010)

119

(15.5)

101

(16.0)

83

(15.3)

-0.001 (-0.044; 0.041)

  50 - 69

1344

(45.2)

1511

(47.0)

1642

(49.3)

0.014 (0.006; 0.023)

266

(34.6)

215

(34.1)

182

(33.5)

-0.005 (-0.031; 0.020)

  ≥ 70

832

(28.0)

792

(24.6)

812

(24.4)

-0.023 (-0.037;-0.009)

383

(49.9)

315

(49.9)

278

(51.2)

0.004 (-0.014; 0.022)

Stage

              

  Local

2713

(91.3)

2794

(86.8)

2685

(80.6)

-0.020 (-0.023;-0.017)

474

(61.7)

370

(58.6)

328

(60.4)

-0.004 (-0.020; 0.010)

  Regional

226

(7.6)

381

(11.8)

582

(17.5)

0.137 (0.114; 0.160)

24

(3.1)

14

(2.2)

15

(2.8)

-0.027 (-0.140; 0.081)

  Distant

32

(1.1)

43

(1.3)

63

(1.9)

0.096 (0.027; 0.167)

270

(35.2)

247

(39.1)

200

(36.8)

0.009 (-0.015; 0.032)

Charlson Comorbidity Index

              

  No comorbidity

2490

(83.8)

2651

(82.4)

2674

(80.3)

-0.007 (-0.011;-0.003)

545

(71.0)

405

(64.2)

339

(62.4)

-0.023 (-0.036; -0.010)

  Low comorbidity

375

(12.6)

440

(13.7)

485

(14.6)

0.024 (0.003; 0.045)

135

(17.6)

119

(18.9)

113

(20.8)

0.028 (-0.010; 0.065)

  High comorbidity

106

(3.6)

127

(3.9)

171

(5.1)

0.063 (0.023; 0.103)

88

(11.5)

107

(17.0)

91

(16.8)

0.062 (0.019; 0.105)

Hospital complexity

              

  Low

481

(16.2)

560

(17.4)

619

(18.6)

0.023 (0.005; 0.041)

196

(25.5)

149

(23.6)

133

(24.5)

-0.008 (-0.040; 0.024)

  Medium

1297

(43.7)

440

(45.3)

485

(48.4)

-0.024 (-0.240;-0.207)

341

(44.4)

284

(45.0)

252

(46.4)

0.007 (-0.013; 0.027)

  High

1193

(40.2)

127

(37.3)

171

(33.0)

-0.468 (-0.496;-0.440)

231

(30.1)

198

(31.4)

158

(29.1)

-0.004 (-0.032; 0.023)

Emergency admission

85

(2.9)

104

(3.2)

101

(3.0)

0.009 (-0.038;0.055)

388

(50.5)

379

(60.1)

334

(61.5)

0.032 (0.017; 0.048)

In-hospital deaths 1

5

(0.2)

1

(0.0)

3

(0.1)

-0.133 (-0.429;0.137)

80

(10.4)

80

(12.7)

59

(10.9)

0.010 (-0.041; 0.061)

Discharge destination

              

  Domicile

2951

(99.3)

3200

(99.4)

3299

(99.1)

0 (-0.001;0.001)

659

(85.8)

496

(78.6)

414

(76.2)

-0.021 (-0.031;-0.012)

  With support

17

(0.6)

15

(0.5)

30

(0.9)

0.089 (-0.015;0.195)

43

(5.6)

61

(9.7)

77

(14.2)

0.152 (0.095; 0.210)

  Other2

3

(0.1)

3

(0.1)

1

(0.0)

-0.168 (-0.520;0.141)

66

(8.6)

74

(11.7)

52

(9.6)

0.021 (-0.033; 0.076)

Total 3

2971

(79.5)

3218

(83.6)

3330

(86.0)

0.013 (0.009; 0.016)

768

(20.5)

631

(16.4)

543

(14.0)

-0.064 (-0.081;-0.048)

  1. *β is the slope of the log-binomial model used to measure the temporal trend; 95% CI: 95% Confidence Interval; In bold, statistically significant;
  2. 1Mortality within 30 days after admission; 2Includes hospital mortality during hospitalization (in-hospital mortality); 3Percentages were calculated taking into account the total number of patients (surgical and non-surgical) in the respective years.