Table 1 Hospital profiles identified by the k-means algorithm
Group | Group 1 (n = 34) | Group 2 (n = 236) | Group 3 (n = 157) |
|---|---|---|---|
Number of stays per hospital – median [Q1 - Q3]a | 82,108 [69,004 – 117,774] | 18,913 [12,410 – 26,689] | 2337 [1195 – 5285] |
Number of beds – median [Q1 - Q3] | 1129 [968 – 1431] | 258 [164 - 377] | 48 [30 - 80] |
Regional Hospital Group classifying stays (%)b Mean (standard deviation - SD) | 2 (1) | 4 (2) | 11 (5) |
Regional Hospital Group leader – n (%) | 34 (100.0) | 88 (37.3) | 0 (0.0) |
Absolute number of activity domains Mean (standard deviation - SD) | 24.74 (0.45) | 23.61 (1.01) | 19.94 (3.65) |
Effective number of activity domains – Mean (standard deviation SD) | 15.86 (0.70) | 12.26 (1.72) | 8.63 (2.73) |
Degree centrality (undirected) – median [Q1 – Q3] | 252 [217 - 305] | 102 [68 - 134] | 29 [18 - 45] |
Strong edge (> 100 patients) degree centrality – median [Q1 – Q3] | 19 [13 - 24] | 4 [3 - 6] | 2 [2 - 2] |
Inbound strength (incoming mobility) – median [Q1 – Q3] | 4591 [2991 – 5631] | 741 [431 – 1075] | 292 [203 - 410] |
Outbound strength (exterior mobility) – median [Q1 – Q3] | 3307 [2432 – 4111] | 946 [620 – 1198] | 349 [152 - 551] |