Table 2 Descriptive statistics of adjuvant endocrine cohort (n=3361) by adherence

From: Cohort study of adherence to adjuvant endocrine therapy, breast cancer recurrence and mortality

 

Low adherence (%)

High adherence (%)

χ 2 -test (Pearson’s, d.f., P -value)

Numbers

576 (17)

2785 (83)

SIMD quintile

1

89 (16)

364 (13)

9.7; 4; 0.044

2

88 (15)

387 (14)

3

109 (19)

436 (16)

4

164 (29)

932 (34)

5

120 (21)

618 (23)

Unknown

6

48

Age group

<40

45 (8)

88 (3)

41.8; 5; <0.0001

40–49

94 (16)

363 (13)

50–59

149 (26)

643 (23)

60–69

114 (20)

657 (24)

70–79

90 (16)

579 (21)

80+

84 (14)

455 (16)

Charlson’s index

0–2

179 (31)

833 (30)

0.4; 2; 0.809

3–5

227 (39)

1098 (39)

6+

170 (30)

854 (31)

Tumour stage

1

152 (44)

640 (43)

6.8; 3; 0.077

2

111 (33)

541 (36)

3

36 (11)

101 (7)

4

43 (12)

206 (14)

Unknown

234

1297

Clinical nodes

0

353 (80)

1591 (82)

0.5; 2; 0.785

1

73 (17)

298 (15)

2

12 (3)

52 (3)

Unknown

138

844

Clinical metastases

No

410 (94)

1796 (96)

1; 1; 0.320

Yes

24 (6)

83 (4)

Unknown

142

906

Tumour grade

1

70 (17)

325 (15)

2.5; 2; 0.282

2

201 (48)

1139 (52)

3

150 (35)

731 (33)

Unknown

155

590

ER status

Positive

362 (90)

1958 (92)

3.9; 1; 0.050

Negative

42 (10)

159 (8)

 

Unknown

172

668

 
  1. Abbreviations: ER=oestrogen receptor; SIMD=Scottish Index of Multiple Deprivation.