Table 3

Hourly admission rates for 20 common medical conditions by time of admission

WeekdayWeekend
Office hours (8:00–16:59)Out of hours (17:00–7:59)Day (9:00–21:59)Night (22:00–8:59) plus Friday 22:00–23:59 and Monday 00:00–7:59
Overall38.7 (38.4–38.9)13.3 (13.2–13.5)19.8 (19.6–20.1)7.9 (7.8–8.0)
Common medical conditions
Infectious diseases
 Pneumonia2.60 (2.53–2.66)0.86 (0.83–0.89)1.50 (1.43–1.56)0.55 (0.52–0.59)
 Erysipelas0.44 (0.41–0.47)0.16 (0.14–0.17)0.25 (0.22–0.28)0.07 (0.06–0.08)
 Bacteraemia/septicaemia0.53 (0.50–0.56)0.23 (0.22–0.25)0.38 (0.35–0.42)0.13 (0.12–0.15)
 Urinary tract infection0.86 (0.82–0.90)0.31 (0.29–0.33)0.50 (0.47–0.54)0.17 (0.15–0.19)
Haematological diseases
 Anaemia1.05 (1.01–1.09)0.13 (0.12–0.14)0.18 (0.16–0.20)0.05 (0.04–0.06)
Endocrine and nutritional disease
 Diabetes0.68 (0.65–0.71)0.16 (0.14–0.17)0.22 (0.20–0.25)0.09 (0.08–0.10)
 Dehydration0.91 (0.88–0.95)0.29 (0.27–0.31)0.47 (0.44–0.51)0.12 (0.10–0.14)
Mental and behavioural disorders
 Alcohol intoxication0.44 (0.41–0.46)0.31 (0.29–0.33)0.38 (0.35–0.41)0.22 (0.20–0.24)
Diseases of the nervous system
 Transient ischaemic attack0.61 (0.58–0.64)0.25 (0.23–0.27)0.41 (0.38–0.45)0.11 (0.10–0.13)
Diseases of the circulatory system
 Angina0.97 (0.93–1.01)0.31 (0.29–0.33)0.42 (0.39–0.45)0.23 (0.21–0.25)
 Acute myocardial infarction1.00 (0.96–1.04)0.41 (0.38–0.43)0.68 (0.64–0.72)0.39 (0.36–0.42)
 Atrial fibrillation1.63 (1.58–1.69)0.36 (0.34–0.38)0.61 (0.57–0.65)0.20 (0.18–0.22)
 Heart failure0.73 (0.69–0.76)0.16 (0.15–0.18)0.20 (0.18–0.23)0.12 (0.10–0.13)
 Hypertension0.52 (0.49–0.55)0.15 (0.14–0.16)0.22 (0.20–0.25)0.08 (0.06–0.09)
 Stroke1.41 (1.36–1.45)0.49 (0.46–0.51)0.96 (0.91–1.01)0.29 (0.27–0.32)
Diseases of the respiratory system
 Chronic obstructive pulmonary disorder1.26 (1.22–1.31)0.39 (0.37–0.41)0.63 (0.59–0.67)0.31 (0.28–0.33)
 Respiratory failure0.49 (0.46–0.52)0.17 (0.16–0.19)0.28 (0.26–0.31)0.13 (0.11–0.14)
Diseases of the digestive system
 Gastroenteritis0.52 (0.49–0.55)0.19 (0.17–0.20)0.32 (0.29–0.35)0.13 (0.11–0.15)
Symptoms and abnormal findings
 Syncope0.69 (0.65–0.72)0.37 (0.35–0.39)0.59 (0.55–63)0.19 (0.17–0.21)
Factors influencing health status
 Suspected acute myocardial infarction1.64 (1.59–1.69)0.71 (0.68–0.74)0.99 (0.94–1.04)0.40 (0.37–0.43)
 Other19.7 (19.6–19.9)6.93 (6.84–7.02)9.64 (9.48–9.80)3.90 (3.81–4.00)