Table 1

Summary statistics for trait data on 82 patients

Trait

Description


Tumor Size in cm

78 (5%)

Median (Range)

2.3 (0.2 - 9.0)

25th - 75th Quartile

1.5 - 3.0

Clinical Stage

82 (0%)

I

29 (35%)

II

36 (44%)

III-IVa

17 (21%)

Tumor Grade

79 (4%)

I

22 (27%)

II

23 (28%)

III

34 (41%)

Lymph Node+

29 (35%)

ER+

61 (74%)b

PR+

58 (71%)

HER-2/neu+

20 (24%)c

Metastasis+

32 (39%)d

# Deaths

13 (16%)

Time in months

82 (0%)

Median (Range)

97 (5, 121)

25th - 75th Quartile

70 - 110


aThere was one stage IV patient.

b1, c2 and d14 missing observations.

Median and inter-quartile range (25th - 75th percentiles) are reported for skewed continuous variables. Categorical variables are reported as counts and percent total. The total number of observations and percentage of missing values are indicated adjacent to the variable name for continuous variables and categorical variables with more than two levels. Other missing values are indicated with footnotes.

Presson et al. BMC Cancer 2011 11:230   doi:10.1186/1471-2407-11-230

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