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Table 2 Admissions data at Queen Elizabeth Hospital. Comparisons are by admission rather than patient

From: The effect of a hospital liaison psychiatry service on inpatient lengths of stay: interrupted time series analysis using routinely collected NHS hospital episode statistics

Characteristic

Level

Before

After

p-value

Number of admissions/stays

 

15,823

15,018

 

Number of patients

 

12,257

11,614

 

LOS (median IQR)

 

3 [1, 7]

3 [1,7]

0.424

Log LOS (mean (sd))

 

1.25 (1.05)

1.26 (1.06)

0.291

Age (mean (sd))

 

53.75 (18.49)

54.52 (18.43)

< 0.001

Age

16–40 (n (%))

3821 (24.1%)

3407 (22.7%)

0.057

40–50 (n (%))

2348 (14.8%)

2245 (14.9%)

 

50–60 (n (%))

2843 (18.0%)

2697 (18.0%)

 

60–70 (n (%))

3222 (20.4%)

3099 (20.6%)

 

70–80 (n (%))

2524 (16.0%)

2481 (16.5%)

 

80–109 (n (%))

1074 (6.8%)

1089 (7.3%)

 

Admission type

Elective (n (%))

8916 (56.3%)

8330 (55.5%)

0.112

Other (n (%))

6907 (43.7%)

6688 (44.5%)

 

Mental health

None (n (%))

15,167 (95.9%)

14,395 (95.9%)

0.433

Alcohol (n (%))

185 (1.2%)

169 (1.1%)

 

Dementia/Delirium (n (%))

24 (0.2%)

28 (0.2%)

 

Depression (n (%))

303 (1.9%)

312 (2.1%)

 

Other (n (%))

144 (0.9%)

114 (0.8%)

 

Readmission within 28 days

No (n (%))

12,814 (81.0%)

12,083 (80.5%)

0.247

Yes (n (%))

3009 (19.0%)

2935 (19.5%)

 
  1. sd standard deviation
  2. IQR interquartile range
  3. LOS length of stay