Table 1.
Characteristics of the study population
| A. Characteristics of all patients
| |
|---|---|
| Variables | No. of patients (%) |
| Total | 497 (100) |
|
| |
| Age (years) | |
| ≤ 50 | 84 (17.5) |
| 51–60 | 147 (29.6) |
| 61–70 | 166 (33.4) |
| >70 | 97 (19.5) |
| Mean±SD | 60.9±10.6 |
| Sex | |
| Male | 318 (64.0) |
| Female | 179 (36.0) |
| Diabetes * | |
| No | 362 (74.0) |
| Yes | 127 (26.0) |
| Smoking | |
| Never | 194 (39.0) |
| Ever | 303 (61.0) |
| Family history of cancer | |
| No | 231 (46.4) |
| Yes | 266 (53.6) |
| B. Characteristics of patients in the trial
| |
|---|---|
| Variables | No. of patients (%) |
| Total | 98 (100) |
|
| |
| Age (years) | |
| ≤ 50 | 12 (12.2) |
| 51–60 | 28 (28.6) |
| 61–70 | 36 (36.7) |
| >70 | 22 (22.5) |
| Mean±SD | 62.1±9.6 |
| Sex | |
| Male | 60 (61.2) |
| Female | 38 (38.8) |
| Diabetes | |
| No | 74 (75.5) |
| Yes | 24 (24.5) |
| Smoking | |
| Never | 29 (29.6) |
| Ever | 69 (70.4) |
| Family history of cancer | |
| No | 48 (49.0) |
| Yes | 50 (51.0) |
| Tumor stage | |
| IA | 9 (9.2) |
| IB | 9 (9.2) |
| IIA | 34 (34.7) |
| IIB | 46 (46.9) |
| Protocol | |
| GEM/XRT† | 41 (41.8) |
| GEM/Cisp/XRT† | 57 (58.2) |
*
Data missing for 8 patients.
†
GEM, gemcitabine; XRT, radiotherapy; Cisp, cisplatin.