Table 3.
Baselines characteristics: OGD2 performed versus OGD2 not performed
| Variable | OGD2 performed (n=385) | No OGD2 (n=579) | P value | |
| Male, % (N) | 51.9 (200) | 56.3 (326) | 0.183 | |
| Age at OGD1 (years), median (IQR) | 63.0 (54.0–71.0) | 65.0 (52.0–76.0) | 0.147 | |
| Smoking status, % (N) | Non-smoker | 50.0 (196) | 47.8 (270/565) | 0.345 |
| Current smoker | 18.2 (70) | 24.6 (139/565) | 0.019* | |
| Ex-smoker | 30.9 (119) | 27.6 (156/565) | 0.271 | |
| History of alcohol excess, % (N) | 19.0 (73) | 27.1 (154/568) | 0.004* | |
| Weight (kg), median (IQR) | 79.0 (69.0–91.0) (n=337) | 75.0 (64.0–85.0) (n=476) | <0.001* | |
| BMI, median (IQR) | 28.1 (24.7–31.5) (n=335) | 26.7 (23.4–30.3) (n=475) | <0.001* | |
| CCI, median (IQR) | 2.0 (1.0–4.0) | 3.0 (1.0–4.0) (n=574/579) | 0.018* | |
| CFS score ≥5, % (N) | 6.3 (23/366) | 22.6 (117/517) | <0.001* | |
| Inpatient, % (N) | 15.1 (58) | 40.2 (233) | <0.001* | |
| Grade D oesophagitis at OGD1, % (N) | 38.7 (149) | 38.0 (220) | 0.825 | |
| Deceased at time of notes follow-up, % (N) | 17.9 (69) | 41.5 (240) | <0.001* | |
*Statistically significant result (p<0.05). The Mann-Whitney U test compared continuous variables; the χ2 test compared categorical variables.
BMI, Body Mass Index; CCI, Charlson Comorbidity Index; CFS, Clinical Frailty Scale; IM, intestinal metaplasia; OGD1, index endoscopic procedure; OGD2, repeat endoscopic procedure.