Table 1.
Baseline demographics and clinical characteristics of ECOG-ACRIN5597 comparing lung cancer recurrence to disease free patient population
| Variables1 | Cancer recurrence4 | Cancer free | P value5 |
|---|---|---|---|
| N | 122 | 413 | |
| Age (Mean ± SD) | 67.4 + 8.6 | 66.3 + 6.1 | 0.17 |
| Sex (Male) | 61 (50%) | 217 (53%) | 0.62 |
| Stage6 | |||
| 1a | 82 (67%) | 302 (75%) | 0.07 |
| 1b with chemo | 3 (2%) | 16 (4%) | |
| 1b without chemo | 37 (30%) | 83 (21%) | |
| Smoking status | |||
| Current | 44 (36%) | 116 (28%) | 0.08 |
| Former2 | 64 (52%) | 263 (64%) | |
| Never3 | 14 (12%) | 34 (8%) | |
| Selenium use | 90 (74%) | 268 (65%) | 0.07 |
| Time to event7 | 35 (20, 56) | ||
| Time to censor7 | 69 (50, 94) | ||
1
All demographics represent baseline information.
2
Quit ≥ 1 y before study
3
Less than 100 cigarettes smoked
4
Includes second primary, local and distant recurrence.
5
Χ2 was used for all variables except age that was evaluated by Student’s t test.
6
Stage was missing from 12 cancer-free participants.
7
Median months (Q1, Q3).