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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.