| Factor | OR for delayed endoscopy | p-value |
|---|---|---|
| Region (EM) | 0.78 | 0.476 |
| Weekend | 2.35 | 0.070 |
| 7 pm-7 am | 0.30 | 0.002 |
| Age | 1.02* | 0.160 |
| Per rectum<1 hour | 0.34 | 0.005 |
| Melaena | 1.00 | 1.000 |
| GBS | 0.88* | 0.008 |
| Nil by mouth<1 hour | 1.36 | 0.407 |
| Time to referral (h) | 1.04* | 0.002 |
| Suspected variceal | 1.02 | 0.969 |
| Endoscopic therapy | 1.30 | 0.536 |