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Table 2 Readmissions within 6 months by reason for index hospital admission

From: All-cause hospitalizations for inflammatory bowel diseases: Can the reason for admission provide information on inpatient resource use? A study from a large veteran affairs hospital

Item

IBD flare or complication (n = 41)

Other type of admission (n = 70)

Number of readmissions in 6 months [n (%)]

 0

29 (70.7)

55 (78.6)

 1

7 (17.1)

12 (17.1)

 2

3 (7.3)

2 (2.9)

 3

1 (2.4)

1 (1.4)

 4

1 (2.4)

0

Median time to first readmission in months (IQR)

0.6 (0.3–3.1)

1.3 (0.3–4.0)

Number of patients readmitted [n (%)]

12 (29.3)

15 (21.4)

Total number of readmissions (n)

20

19

Total person-months a

242

414

Incidence rate of readmission (95 % CI) per 100 person-months b

8.3 (5.2–3.1)

4.6 (2.8–0.3)

  1. a Calculated by multiplying n to 5.92 (as data was collected in number of days)
  2. b Rate ratio is calculated as the ratio between the two incidence rates of readmission per 100 person-months
  3. IQR interquartile range, CI confidence interval