Table 3.
Baseline characteristics of gastric cancer participants.
| Characteristics | Before Overlap Weighting Adjustment | After Overlap Weighting Adjustment | ||||
|---|---|---|---|---|---|---|
| Deceased pts | Survived pts | Standardized Difference |
Deceased pts | Survived pts | Standardized Difference |
|
| Age (%) | 0.56 | 0.00 | ||||
| 40–44 | 0.52 | 0.51 | 0.47 | 0.47 | ||
| 45–49 | 3.94 | 4.75 | 3.82 | 3.82 | ||
| 50–54 | 7.19 | 13.05 | 7.36 | 7.36 | ||
| 55–59 | 8.32 | 15.29 | 9.00 | 9.00 | ||
| 60–64 | 11.95 | 19.09 | 13.05 | 13.05 | ||
| 65–69 | 16.46 | 17.83 | 17.52 | 17.52 | ||
| 70–74 | 19.84 | 16.84 | 20.68 | 20.68 | ||
| 75–79 | 17.63 | 8.51 | 16.75 | 16.75 | ||
| 80–84 | 11.04 | 3.47 | 9.24 | 9.24 | ||
| 85+ | 3.12 | 0.66 | 2.11 | 2.11 | ||
| Sex (%) | 0.08 | 0.00 | ||||
| Male | 76.27 | 72.58 | 74.75 | 74.75 | ||
| Female | 23.73 | 27.42 | 25.25 | 25.25 | ||
| Income (%) | 0.14 | 0.00 | ||||
| 1 (lowest) | 19.53 | 14.32 | 18.50 | 18.50 | ||
| 2 | 12.69 | 12.21 | 13.00 | 13.0 | ||
| 3 | 17.58 | 15.47 | 16.87 | 16.87 | ||
| 4 | 19.45 | 22.18 | 20.74 | 20.74 | ||
| 5 (highest) | 30.75 | 35.83 | 30.89 | 30.89 | ||
| Residence (%) | 0.08 | 0.00 | ||||
| Urban | 38.03 | 42.16 | 38.31 | 38.31 | ||
| Rural | 61.97 | 57.84 | 61.69 | 61.69 | ||
| Obesity † (%) | 0.22 | 0.00 | ||||
| Underweight | 7.28 | 2.54 | 6.12 | 6.12 | ||
| Normal | 40.45 | 35.54 | 40.98 | 40.98 | ||
| Overweight | 24.25 | 26.58 | 24.22 | 24.22 | ||
| Obese I | 26.5 | 32.67 | 26.86 | 26.87 | ||
| Obese II | 1.52 | 2.67 | 1.82 | 1.82 | ||
| Smoking (%) | 0.05 | 0.00 | ||||
| Non | 58.68 | 56.13 | 58.33 | 58.32 | ||
| Past | 14.85 | 21.17 | 17.39 | 17.39 | ||
| Current | 26.46 | 22.7 | 24.28 | 24.28 | ||
| Alcohol (%) | 0.27 | 0.00 | ||||
| <1 time/week | 65.31 | 52.17 | 61.99 | 61.98 | ||
| ≥1 time/week | 34.69 | 47.83 | 38.01 | 38.02 | 0.00 | |
| SBP (Mean, SD) | 130.35 (18.07) | 127.75 (15.96) | 0.15 | 129.85 (11.75) | 129.85 (6.57) | 0.00 |
| DBP (Mean, SD) | 79.27 (11.28) | 78.55 (10.34) | 0.07 | 78.95 (7.29) | 78.95 (4.08) | 0.00 |
| TCL (Mean, SD) | 190.08 (41.15) | 194.25 (38.57) | 0.10 | 190.50 (26.82) | 190.50 (15.06) | 0.00 |
| FBGL (Mean, SD) | 106.25 (37.71) | 103.64 (30.80) | 0.07 | 106.29 (24.08) | 106.29 (15.77) | 0.00 |
| CCI score (Mean, SD) | 4.60 (2.82) | 1.34 (1.94) | 1.35 | 3.17 (1.74) | 3.17 (1.09) | 0.00 |
| Dyslipidemia (%) | 21.7 | 42.89 | 0.47 | 28.42 | 28.42 | 0.00 |
| Treatment (%) | 0.77 | 0.00 | ||||
| Only surgery | 59.64 | 90.65 | 74.58 | 74.58 | ||
| Surgery + RT/CT | 40.36 | 9.35 | 25.42 | 25.42 | ||
Abbreviations: pts, patients; CCI, Charlson Comorbidity Index; SBP, systolic blood pressure; SD, standard deviation; DBP, diastolic blood pressure; TCL, total cholesterol level; FBGL, fasting blood glucose; RT, radiotherapy; CT, chemotherapy. † Obesity (BMI, body mass index, kg/m2) was categorized as <18.5 (underweight), ≥18.5 to <23 (normal), ≥23 to <25 (overweight), ≥25 to <30 (obese I), and ≥30 (obese II).