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Table 5 Achievement of Piedmont Region clinical practice guidelines quality-of-care standards in 2002 and 2004, and effects of year, Piedmont Region, Italy

From: Compliance with clinical practice guidelines for breast cancer treatment: a population-based study of quality-of-care indicators in Italy

 

Results

Effect of year (adjusted* OR and 95%CI) 2002 vs2004

 

2002

2004

 
 

N and %

Missing

N and %

Missing

 

% of malignant lesions with cytological or histological pre-operative diagnosis

297/513

48

329/495

65

0.64 (0.49-0.85)

(57.9%)

(8.6%)

(66.5%)

(11.6%)

% BCS in pT1, unifocal

231/268

0

253/272

0

0.41 (0.22-0.75)

(86.2%)

 

(93.0%)

 

% BCS with free margins (> 1 mm)

312/368

33

348/387

33

0.65 (0.41-1.01)

(84.8%)

(8.2%)

(89.9%)

(7.9%)

% single surgery after diagnosis

332/369

4

342/376

8

1.02 (0.24-5.91)

(90.0%)

(1.1%)

(91.0%)

(2.1%)

% frozen section in lesions ≤ 10 mm

55/97

1

85/113

0

0.32 (0.16-0.65)

(56.7%)

(1.0%)

(75.2%)

 

% of patients with invasive lesion treated with axillary clearance or SLN technique

433/468

0

460/478

1

0.28 (0.10-0.85)

(92.5%)

 

(96.2%)

(0.2%)

% of patients treated with axillary clearance with > 9 lymph nodes

317/336

4

245/268

4

1.71 (0.89-3.31)

(94.3%)

(1.2%)

(91.4%)

(1.5%)

% with NO dissection among CIS patients**

115/123

0

98/104

0

0.60 (0.14-2.50)

(93.5)

 

(94.2%)

 

% correct identification of SLN

118/126

30

215/219

54

0.46 (0.18-1.05)

(93.6%)

(19.2%)

(98.2%)

(19.8%)

% histopathological grading available

455/462

18

466/469

17

0.34 (0.08-1.42)

(98.5%)

(3.7%)

(99.4%)

(3.5%)

% hormonal receptor availability

455/471

9

446/473

13

1.80 (0.94-3.48)

(96.6%)

(1.8%)

(94.3%)

(2.7%)

% immediate reconstruction after mastectomy

41/154

4

30/137

2

1.16 (0.63-2.16)

(26.6%)

(2.5%)

(21.9%)

(1.4%)

% radiotherapy in patients treated with BCS

341/389

0

362/412

0

1.01 (0.60-1.5)

(87.7%)

 

(87.9%)

 

% of eligible patients that receive hormonal therapy

319/338

0

332/354

0

1.01 (0.69-1.42)

 

(94.3%)

 

(93.8%)

  
  1. The 2004 period is the reference category for the estimation of ORs.
  2. *Adjusted for age, educational level, clinical stage, screening provenience and surgical unit annual case load.
  3. **Calculated on CIS lesions over-sampled group.
  4. OR: odds ratio, BCS: breast conservative surgery, pT1: small primary tumor, CIS: carcinoma in situ, SLN: sentinel lymph node.