Table 5 Hosmer–Lemeshow test of model calibration for in-hospital mortality (a), increased level of care (b), and 30-day readmission (c)
Risk group | Group size | Observed | Expected |
|---|---|---|---|
a | |||
1 | 3811 | 74 (1.94%) | 116.84 (3.066%) |
2 | 1028 | 29 (2.82%) | 38.36 (3.732%) |
3 | 7795 | 203 (2.60%) | 295.23 (3.787%) |
4 | 3774 | 157 (4.16%) | 151.78 (4.022%) |
5 | 3768 | 203 (5.39%) | 181.66 (4.821%) |
6 | 3951 | 279 (7.06%) | 236.31 (5.981%) |
7 | 3747 | 312 (8.33%) | 281.78 (7.520%) |
8 | 3744 | 426 (11.38%) | 344.13 (9.192%) |
9 | 3769 | 544 (14.43%) | 514.27 (13.645%) |
10 | 2084 | 459 (22.02%) | 525.64 (25.223%) |
b | |||
1 | 1684 | 108 (6.41%) | 113.81 (6.76%) |
2 | 7795 | 423 (5.43%) | 595.07 (7.63%) |
3 | 3870 | 310 (8.01%) | 313.83 (8.11%) |
4 | 3745 | 361 (9.64%) | 332.87 (8.89%) |
5 | 3730 | 429 (11.50%) | 394.17 (10.57%) |
6 | 3900 | 625 (16.03%) | 510.48 (13.09%) |
7 | 3752 | 642 (17.11%) | 579.69 (15.45%) |
8 | 3747 | 745 (19.88%) | 722.6 (19.28%) |
9 | 3747 | 967 (25.81%) | 980.4 (26.16%) |
10 | 1501 | 538 (35.84%) | 605.07 (40.31%) |
c | |||
1 | 1546 | 150 (9.70%) | 162.45 (10.51%) |
2 | 7795 | 823 (0.56%) | 907.7 (11.64%) |
3 | 3748 | 413 (11.02%) | 449.37 (11.99%) |
4 | 3820 | 521 (13.64%) | 504.59 (13.21%) |
5 | 3755 | 573 (15.26%) | 540.63 (14.40%) |
6 | 3743 | 612 (16.35%) | 598.06 (15.98%) |
7 | 3755 | 764 (20.35%) | 661.29 (17.61%) |
8 | 3751 | 770 (20.53%) | 740.25 (19.73%) |
9 | 3746 | 878 (23.44%) | 859.5 (22.94%) |
10 | 1812 | 455 (25.11%) | 535.17 (29.53%) |