Skip to main content

Table 2 Surgical treatment, radiotherapy and adjuvant therapy for women living in affluent and deprived areas (whole sample and questionnaire respondents)

From: The impact of consent on observational research: a comparison of outcomes from consenters and non consenters to an observational study

  AFFLUENT n (%) DEPRIVED n (%) Chi squared test result
  WHOLE SAMPLE CONSENTED SAMPLE WHOLE SAMPLE CONSENTED SAMPLE WHOLE SAMPLE CONSENTED SAMPLE
BREAST SURGERY n = 142* n = 75** n = 215* n = 97**   
Mastectomy 64 (45.1%) 37 (49.3%) 104 (48.4%) 43 (44.3%) X2 = 0.37 DF = 3 X 2 = 0.43 DF = 1
Conservation 78 (54.9%) 38 (50.7%) 111 (51.6%) 54 (55.7%) p = 0.54 p = 0.54
AXILLA SURGERY n = 129* n = 70* n = 196 * n = 94**   
Clearance 123 (95.3%) 68 (97.1%) 146 (74.5%) 69 (73.4%) X2 = 23.73 DF = 1 X 2 = 16.4 DF = 1
Sampling 6 (4.7%) 2 (2.9%) 50 (25.5%) 25 (36.6%) p = 0.0000 p = 0.000
RADIOTHERAPY n = 146
54 (37.0%)
n = 72**
22 (30.6%)
n = 220
90 (40.9%)
n = 98**
50 (51.0%)
X2 = 0.56 DF = 1 p = 0.45 X 2 = 5.82 DF = 1 p = 0.018
CHEMOTHERAPY n = 146
29 (19.9%)
n = 75**
13 (16.9%)
n = 220
30 (13.6%)
n = 100**
15 (15%)
X2 = 2.51 DF = 1 p = 0.11 X 2 = 0.116 DF = 1 p = 0.84
ENDOCRINE THERAPY n = 146
128 (87.7%)
n = 77
71 (92.2%)
n = 220
196 (89.1%)
n = 100
92 (92.0%)
X2 = 0.17 DF = 1 p = 0.67 X 2 = 0.003 DF = 1 p = 1.0
  1. *Total n for whole sample < 366 due to missing data
  2. **Total n for consented sample < 177 due to missing data