Table 3

Hip fracture audits: process measures (% patients)

	Hospital number
Process measures	1	2	3	4	5	6	7	8	9	10	% weighted regional data for 7 hospitals involved in both audits	% (95% CI) weighted regional difference between 1992 and 1997
*Confidence intervals of the difference that do not include zero suggest significant changes.
Operation within 48 hours of admission (fit patients only)
1997	84	–	96	80	86	95	75	94	76	76	87	2 (–2 to 6)
1992	97	64	59	90	88	96	79	91	–	–	85
Use of prophylactic anticoagulation
1997	92	–	71	96	25	93	97	96	95	89	74	34 (29 to 39)*
1992	68	68	20	91	11	86	26	10	–	–	40
Use of prophylactic antibiotics
1997	87	–	87	93	80	88	86	85	94	90	86	–8 (–11 to –4)*
1992	92	91	90	96	95	99	99	81	–	–	93
Mobilisation within 48 hours of surgery
1997	79	–	92	58	89	52	60	62	51	84	75	19 (14 to 25)*
1992	47	80	50	60	62	71	65	34	–	–	56
Seen by a geriatrician (all patients)
1997	48	–	31	1	27	2	95	35	23	64	33	3 (–3 to 9)
1992	38	19	72	18	8	11	27	45	–	–	30
Standardised risk assessment for pressure sores on admission to orthopaedic ward
1997	91	–	100	91	23	95	98	87	70	66	78	–