TABLE 6.

Diagnostic performance of predictive models grouped by model type (single variable vs. multivariable) and original study population (mixed surgical and medical colic vs. surgical colic only). Presented as mean ± standard deviation (SD); p‐value represents result of Student's t‐test between the two groups

	SensitivIty		Specificity		PPV		NPV		Accuracy
	Mean ± SD	p‐value	Mean ± SD	p‐value	Mean ± SD	p‐value	Mean ± SD	p‐value	Mean ± SD	p‐value
Model type
Single variable	84 ± 12%	0.333	44 ± 22%	0.413	70 ± 5%	0.674	68 ± 6%	0.362	68 ± 3%	0.302
Multivariable	71 ± 21%		55 ± 19%		71 ± 4%		61 ± 13%		65 ± 5%
Original study population
Mixed	77 ± 17%	0.382	54 ± 21%	0.134	72 ± 5%	0.102	66 ± 9%	0.759	68 ± 4%	0.372
Surgical	85 ± 13%		36 ± 15%		67 ± 4%		64 ± 8%		65 ± 4%

Abbreviations: NPV, negative predictive value; PPV, positive predictive value; SD, standard deviation.