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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.