Table 4 Incremental prognostic utility of LA mechanics compared with Mayo criteria 2004 and 2012

Discrimination (95% CI)

 C-statistic

0.62 (0.54–0.7)

0.66 (0.61–0.72)

0.68 (0.60–0.76)

0.67 (0.58–0.77)

0.65 (0.57–0.74)

0.65 (0.56–0.74)

0.68 (0.59–0.77)

0.67 (0.58–0.76)

0.69 (0.61–0.78)

0.70 (0.64–0.76)

0.72 (0.67–0.78)

0.68 (0.62–0.73)

0.69 (0.63–0.76)

0.75 (0.71–0.81)

0.76 (0.70–0.81)

0.72 (0.66–0.77)

Absolute IDI

–

–

0.135 (0.040–0.280) p < 0.0001

0.08 (0.001–0.227) p = 0.03

0.061 (0.000–0.166) p = 0.05

0.027 (− 0.006–0.117) p = 0.159

0.116 (0.011–0.278) p < 0.0001

0.095 (0.001–0.236) p = 0.04

0.071 (0.004–0.175) p = 0.02

0.105 (0.001–0.299) p = 0.036

0.134 (0.000–0.196) p = 0.05

0.077 (− 0.020–0.172) p = 0.144

0.021 (− 0.017–0.194) p = 0.219

0.063 (0.009–0.188) p = 0.02

0.046 (0.027–0.208) p = 0.018

0.062 (0.021–0.263) p = 0.009

Category-free NRI index

–

–

0.232 (0.046–0.494) p < 0.0001

0.273 (− 0.030–0.512) p = 0.06

0.189 (− 0.050–0.415) p = 0.179

0.122 (− 0.103–0.346) p = 0.209

0.241 (0.001–0.480) p = 0.04

0.208 (− 0.035–0.522) p = 0.09

0.364 (0.000–0.572) p = 0.05

0.161 (0.034–0.387) p = 0.002

0.233 (− 0.069–0.580) p = 0.078

0.059 (− 0.251–0.401) p = 0.647

0.039 (− 0.276–0.360) p = 0.567

0.290 (0.006–0.413) p = 0.017

0.277 (0.002–0.567) p = 0.039

0.257 (0.026–0.434) p = 0.006

Goodness of fit

LR test

–

–

p = 0.000124

p = 0.002329

p = 0.004477

p = 0.03902

p = 0.000408

p = 0.00152

p = 0.003526

p = 0.02669

p = 0.002943

p = 0.08036

p = 0.05197

p = 0.005125

p = 0.002119

p = 0.01461

BIC

304.2324

134.9205

293.1057

277.5958

299.7637

282.6064

295.3481

276.8124

297.6163

135.2916

112.6833

137.4963

118.4258

131.9916

112.026

133.1287