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Table 3 Relationship between refusal, recommendation, and receipt of adjuvant chemotherapy and characteristics of patients diagnosed with stage III colon cancer in Alberta between 2002 and 2005 who had an oncologist-consult

From: Reasons physicians do not recommend and patients refuse adjuvant chemotherapy for stage III colon cancer: a population based chart review

 

Refused Chemotherapy

Chemotherapy not Recommended

Received Chemotherapy

Total

Patient Characteristics

n

(%)1

n

(%)1

n

(%)1

n

(%)2

Total

58

(9)

110

(18)

445

(73)

613

(100)

Gender:

P = 0.84

      

Female

27

(9)

48

(17)

208

(73)

283

(46)

Male

31

(9)

62

(19)

237

(72)

330

(54)

Age at diagnosis:

P < 0.0001

      

<65

10

(4)

11

(4)

232

(92)

253

(41)

65-69

5

(7)

6

(8)

60

(85)

71

(12)

70-74

11

(11)

13

(13)

76

(76)

100

(16)

≥ 75

32

(17)

80

(42)

77

(41)

189

(31)

Geographical regions:

P = 0.03

      

South

4

(9)

10

(22)

31

(69)

45

(7)

Calgary

8

(4)

40

(21)

143

(75)

191

(31)

Central

7

(7)

18

(19)

72

(74)

97

(16)

Edmonton

29

(13)

35

(16)

157

(71)

221

(36)

North

10

(17)

7

(12)

42

(71)

59

(10)

Distance from cancer facility

P = 0.97

      

< 90 km

49

(10)

94

(18)

369

(72)

512

(84)

90-180 km

5

(8)

9

(15)

47

(77)

61

(10)

> 180 km

4

(10)

7

(18)

29

(73)

40

(7)

Year of diagnosis:

P = 0.10

      

2002

8

(6)

26

(18)

109

(76)

143

(23)

2003

22

(13)

23

(14)

124

(73)

169

(28)

2004

17

(12)

26

(18)

100

(70)

143

(23)

2005

11

(7)

35

(22)

112

(71)

158

(26)

Median annual household income *

P = 0.01

      

< $37881

14

(12)

29

(25)

75

(64)

118

(20)

$37881 – $51057

15

(10)

29

(19)

110

(71)

154

(26)

$51058 - $67124

19

(12)

29

(19)

107

(69)

155

(26)

> $67124

9

(5)

20

(12)

143

(83)

172

(28)

% Living alone *

P < 0.0001

      

< 7%

20

(7)

36

(13)

218

(80)

274

(46)

7 – 24%

29

(19)

53

(19)

196

(71)

278

(46)

> 24%

8

(17)

18

(38)

21

(45)

47

(8)

Patient Characteristics

n

(%) 1

n

(%) 1

n

(%) 1

n

(%) 2

% Not graduated from high school *

P = 0.50

      

< 27%

29

(9)

51

(16)

234

(75)

314

(52)

> 27%

28

(10)

56

(20)

201

(71)

285

(48)

% Employed *

P = 0.04

      

< 60%

16

(10)

40

(25)

101

(64)

160

(27)

60 – 71%

18

(8)

36

(17)

160

(75)

211

(35)

> 71%

23

(10)

31

(14)

174

(76)

228

(38)

  1. 1 – Row percentage.
  2. 2 – Column percentage.
  3. *14 patients had missing data for neighborhood-level variables based on 2001 Canadian census.