Table 4 Unit resource and organisation and length of stay of discharged patients.

	No of patients	% (n)	OR (95% CI) adjusting for relevant case mix and for unit clustering
LOS >7 days
No of respiratory consultants
⩽1.6	1996	41.2 (822)	1.00
1.7–2.0	2399	40.9 (982)	0.95 (0.79 to 1.14)
>2.0	2149	37.6 (807)	0.81 (0.67 to 0.98)
Patient access to early discharge scheme
No	3491	43.3 (1513)	1.00
Yes	3053	36.0 (1098)	0.69 (0.60 to 0.81)
Local written guideline for follow up of COPD
No	4199	41.3 (1735)	1.00
Yes	2318	37.1 (2318)	0.84 (0.72 to 0.98)
LOS >14 days
No of respiratory consultants
⩽1.6	1996	16.2 (323)	1.00
1.7–2.0	2399	15.0 (359)	0.86 (0.68 to 1.09)
>2.0	2149	13.4 (287)	0.75 (0.59 to 0.97)
Patient access to early discharge scheme
No	3491	15.8 (553)	1.00
Yes	3053	13.6 (416)	0.78 (0.64 to 0.95)