Table 4.

Length of hospital stay (days) for people aged over 65

		Kaiser		Medicare California		Medicare United States
Group	NHS	Unstandardised	Standardised	Unstandardised	Standardised	Unstandardised	Standardised
Stroke	27.08	4.29	4.26	5.84	5.84	6.54	6.53
Chronic obstructive pulmonary disease	9.87	3.82	3.79	5.43	5.35	5.42	5.37
Bronchitis or asthma	11.73	3.11	3.09	4.05	4.22	4.41	4.41
Coronary bypass	13.27	9.82	9.60	8.86	8.63	10.37	9.98
Acute myocardial infarction	9.39	4.37	4.35	5.22	5.14	5.60	5.46
Heart failure or shock	12.42	3.72	3.70	5.29	5.28	5.39	5.37
Angina pectoris	5.88	2.22	2.21	2.66	2.58	2.62	2.56
Hip replacement	12.60	4.52	4.54	5.71	5.41	5.69	5.46
Knee replacement	11.32	4.16	4.17	4.52	4.54	4.39	4.40
Hip fracture	26.88	4.94	4.89	5.99	5.97	6.48	6.47
Kidney or urinary tract infection	15.19	3.78	3.80	5.14	5.11	5.31	5.32