Skip to main content

Table 4 Diagnostics for models used for discriminating complicated appendicitis

From: Periappendiceal fat-stranding models for discriminating between complicated and uncomplicated acute appendicitis: a diagnostic and validation study

Models Model odds ratio (per score increase) P value ROC c statistics IDI (%) P value Hosmer–Lemeshow statistics (χ2) P value
1. Bröker et al. [32] 4.18 (2.80–6.23) < 0.0001* 0.778 Ref Ref 0.467 (3 groups) 0.4942
2. Imaoka et al. [28] 3.65 (2.58–5.15) < 0.0001* 0.800 0.919 0.7313 7.556 (3 groups) 0.0060*
3. Khan et al. [16] 1.92 (1.49–2.47) < 0.0001* 0.694 − 9.450 < 0.0001* 3.200 (4 groups) 0.2019
4. TH Kim et al. [33] 3.61 (2.51–5.18) < 0.0001* 0.777 1.811 0.5036 2.382 (4 groups) 0.3039
5. Kang et al. [34] 1.76 (1.51–2.09) < 0.0001* 0.772 0.596 0.8310 2.767 (6 groups) 0.5975
6. Atema et al. [35] 1.44 (1.31–1.58) < 0.0001* 0.826 5.916 0.0248* 7.289 (9 groups) 0.3995
7. Avanesov et al. [36] 2.29 (1.85–2.85) < 0.0001* 0.806 3.511 0.2678 3.865 (5 groups) 0.2764
8. HY Kim et al. [37] 5.15 (3.44–7.71) < 0.0001* 0.838 13.816 0.0006* 1.163 (4 groups) 0.5591
9. Lin (our model 1) 2.14 (1.79–2.56) < 0.0001* 0.878 18.292 < 0.0001* 13.315 (10 groups) 0.1015
10. Lin (our model 2) 2.08 (1.75–2.46) < 0.0001* 0.879 18.292 < 0.0001* 8.150 (8 groups) 0.2273
  1. IDI integrated discriminatory improvement, ROC receiver of operating characteristics curve