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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: J Pain. 2010 Dec 13;12(3):390–400. doi: 10.1016/j.jpain.2010.09.008

Table 2.

Differences in demographic and clinical characteristics between oncology patients with (n=69) and without pain (n=113)

Characteristic Pain
Mean (SD)
No pain
Mean (SD)
Statistics
(t-test, p-value)

Age (years) 58.1 (12.6) 61.8 (11.5) t = −2.06, p = .041

Education (years) 16.1 (2.8) 16.0 (3.0) t = .17, p = .867

Karnofsky Performance Status score 87.1 (12.6) 92.8 (10.6) t = −3.20, p = .002

Weight (pounds) 183.3 (46.8) 179.1 (36.2) t = .64, p = .527

Number of comorbidities 5.8 (2.2) 4.2 (2.5) t = 4.20, p < .0001

Time since diagnosis (months) 5.9 (6.2) 7.3 (10.9) t = −1.00, p = .320

% % Fisher’s Exact Test p-value

Gender
 Female 60.9 39.8 .006
 Male 39.1 60.2

Lives alone
 Yes 26.1 31.9 .504
 No 73.9 68.1

Ethnicity
 White 71.6 72.6 1.00
 Non-White 28.4 27.4

Marital status
 Married/partnered 50.7 60.7 .214
 Other 49.3 39.3

Employed
 Yes 37.9 49.1 .162
 No 62.1 50.9

Have children at home
 Yes 21.3 16.2 .409
 No 78.7 83.8

Diagnosis
 Breast cancer 55.2 33.7
 Prostate cancer 30.4 54.0 χ2 = 14.30, p = .003
 Brain cancer 4.3 8.8
 Lung cancer 10.1 3.5