Table 8

Hospitals with OOH endoscopy on call vs. those without OOH on call: patient characteristics and outcomes

	104 Hospitals with OOH on call endoscopy^*		81 Hospitals with no OOH on call endoscopy^*		Rockall-adjusted ratio for Hospitals with no OOH on call endoscopy relative to those that have OOH on call endoscopy (95% CI), p value
	All patients=3499		All patients=2821
	%	n	%	n
New admissions	83	2896	81	2297
Inpatients	16	572	17	469
Not known	0.9	31	1.9	55
Median age yrs (IQR)	67 (48–81)		70 (50–81)
Pre-endoscopy score:
0–1	35	1208	33	938
2–3	30	1040	31	868
4–5	30	1056	30	839
6–7	5.6	195	6.2	176
In-hospital mortality	9.2	322	10.4	293	1.09 (0.93 to 1.29), p=0.29^†
Median length of stay days (IQR)	6 (2–16)	3476	5 (2–15)	n=2789	0.93 (0.84 to 1.02), p=0.13^†
Length of stay > 7 days	43	1478	40	1105	0.93 (0.84 to 1.02), p=0.13^†
Having an inpatient endoscopy	78	2721	71	2001	0.91 (0.86 to 0.97) p=0.004^†

	Endoscopy=n=2721		Endoscopy=n=2001
	%	n	%	n
Timing of first endoscopy:
In hours	79	2154	86	1726
OOH1	16	431	11	221
OOH2	3.8	104	1.6	33
Not known	1.2	32	1.0	21
OOH (OOH1 or OOH2)	20	535	13	234	0.64 (0.49 to 0.84), p=0.001^†
Time to first endoscopy (hours):
All patients: median (IQR), n	22 (10–47)	2629	25 (14–60)	1923	0.89 (0.81 to 0.98), p=0.02^†
All patients: within 24 h	55	1439	48	931	0.84 (0.75 to 0.94), p=0.002^†
Pre-endosc Rockall ≥3: median (IQR), n	22 (9–48)	1417	25 (13-69)	1015
Pre-endosc Rockall ≥3: within 24 h	55	782	47	472
Post endoscopy Rockall score
0–2	29	776	27	549
3–5	42	1144	46	919
6–7	19	528	19	376
8+	9.7	263	7.6	153
Not known	0.4	10	0.2	4
Endoscopic therapy at first endoscopy	25	685	21	419	0.88 (0.79 to 0.99), p=0.03^‡
In-hospital mortality (post-endoscopy)	6.9	188	8.0	60	1.21 (0.96 to 1.51), p=0.10^‡
Rebleeding including continued bleeding (post-endoscopy)	14	368	13	255	0.97 (0.82 to 1.15), p=0.72^‡
Surgery (post-endoscopy)	2.2	61	2.1	42	0.97 (0.64 to 1.47), p=0.89^‡

In hours—Mon–Fri 8 am–5 pm; OOH1—Mon–Fri 5 pm-midnight, Saturday–Sunday 8 am-midnight; OOH2—Midnight-8 am all days.
↵* Data regarding whether or not there was an OOH on call rota were missing for 430 patients.
↵† Risk adjustment using pre-endoscopy Rockall score (0–1, 2–3, 4–5, 6–7) and hospital clustering effects using binary regression (see statistical methods).
↵‡ Risk adjustment using complete post-endoscopy Rockall score (0–2, 3–5, 6–7, 8+) and hospital clustering effects using binary regression (see statistical methods).