Table 1 Beat-to-beat analysis reporting mean \({\overline{Q} }_{AF}\), \({\overline{Q} }_{SR}\), \({\overline{Q} }_{AF}/{\overline{Q} }_{SR}\) for each simulation, stratified by myocardial layers.

From: A computational analysis of atrial fibrillation effects on coronary perfusion across the different myocardial layers

Simulation

\({\overline{Q} }_{AF}\) (ml/s)

\({\overline{Q} }_{SR}\) (ml/s)

p-value

\({\overline{Q} }_{AF}/{\overline{Q} }_{SR}\)

AF-SR reduction (%)

LAD

75 bpm

EPI

0.2451 (0.0201)

0.2507 (0.0067)

 < 0.001

0.9778

−2.222

MID

0.2749 (0.0235)

0.2832 (0.0074)

 < 0.001

0.9707

−2.928

ENDO

0.3138 (0.0348)

0.3255 (0.0097)

 < 0.001

0.9641

−3.587

100 bpm

EPI

0.2583 (0.0155)

0.2663 (0.0061)

 < 0.001

0.9700

−2.998

MID

0.2891 (0.0215)

0.3007 (0.0075)

 < 0.001

0.9614

−3.859

ENDO

0.3294 (0.0391)

0.3455 (0.0114)

 < 0.001

0.9533

−4.667

125 bpm

EPI

0.2644 (0.0150)

0.2761 (0.0037)

 < 0.001

0.9578

−4.225

MID

0.2954 (0.0188)

0.3117 (0.0057)

 < 0.001

0.9478

−5.224

ENDO

0.3360 (0.0418)

0.3581 (0.0113)

 < 0.001

0.9383

−6.169

LCx

75 bpm

EPI

0.3364 (0.0275)

0.3440 (0.0091)

 < 0.001

0.9779

−2.206

MID

0.3773 (0.0321)

0.3886 (0.0102)

 < 0.001

0.9709

−2.913

ENDO

0.4306 (0.0475)

0.4466 (0.0133)

 < 0.001

0.9643

−3.573

100 bpm

EPI

0.3544 (0.0212)

0.3652 (0.0083)

 < 0.001

0.9702

−2.980

MID

0.3967 (0.0292)

0.4125 (0.0102)

 < 0.001

0.9616

−3.841

ENDO

0.4519 (0.0534)

0.4740 (0.0155)

 < 0.001

0.9535

−4.650

125 bpm

EPI

0.3627 (0.0144)

0.3786 (0.0022)

 < 0.001

0.9580

−4.204

MID

0.4052 (0.0255)

0.4275 (0.0062)

 < 0.001

0.9480

−5.203

ENDO

0.4609 (0.0570)

0.4911 (0.0223)

 < 0.001

0.9385

−6.149

RCA

75 bpm

EPI

0.0389 (0.0045)

0.0394 (0.0015)

 < 0.001

0.9859

−1.406

MID

0.0476 (0.0052)

0.0484 (0.0017)

 < 0.001

0.9843

−1.569

ENDO

0.0554 (0.0058)

0.0564 (0.0019)

 < 0.001

0.9829

−1.714

100 bpm

EPI

0.0409 (0.0037)

0.0419 (0.0013)

 < 0.001

0.9774

−2.259

MID

0.0501 (0.0041)

0.0514 (0.0015)

 < 0.001

0.9756

−2.438

ENDO

0.0583 (0.0045)

0.0599 (0.0016)

 < 0.001

0.9740

−2.602

125 bpm

EPI

0.0418 (0.0028)

0.0434 (0.0009)

 < 0.001

0.9641

−3.589

MID

0.0513 (0.0031)

0.0533 (0.0010)

 < 0.001

0.9624

−3.763

ENDO

0.0596 (0.0032)

0.0620 (0.0011)

 < 0.001

0.9607

−3.929

  1. LAD left anterior descending artery, EPI subepicardium, MID midwall, ENDO subendocardium, LCx left circumflex artery, RCA right coronary artery.