R: gastric cancer trial data

gastric {survMisc} | R Documentation

## gastric cancer trial data

### Description

gastric cancer trial data

### Format

A `data.frame` with 90 rows (observations) and 3 columns (variables).

### Details

Data from a trial of locally unresectable gastic cancer.
Patients (n=45 in each group) were randomized to one of two groups: chemotheapy vs. chemotherapy + radiotherapy.
Columns are:

time

  Time, in days

event

  Death

group

  Treatment

  0

    chemotherapy

  1

    chemotherapy + radiotherapy

### Source

Klein J, Moeschberger. Survival Analysis, 2nd edition. Springer 2003. Example 7.9, pg 224.

### References

Gastrointestinal Tumor Study Group, 1982. A comparison of combination chemotherapy and combined modality therapy for locally advanced gastric carcinoma. Cancer. 49(9):1771-7. Wiley (free).

Stablein DM, Koutrouvelis IA, 1985. A two-sample test sensitive to crossing hazards in uncensored and singly censored data. Biometrics. 41(3):643-52. JSTOR.

### See Also

Examples in `comp`

### Examples

    data("gastric", package="survMisc", verbose=TRUE)
    head(gastric)

[Package survMisc version 0.5.4 Index]