Table 4.
ECG parameters for patients older than 30 years-old: (1st percentile; 2nd percentile; 50th percentile; 98th percentile; 99th percentile)
| Parameter | Sex | 30–39 | 40–49 | 50–59 | 60–69 | 70–79 | 80–89 | > = 90 |
|---|---|---|---|---|---|---|---|---|
| Heart rate (bpm) | Male | (44; 46; 65; 99; 105) | (44; 46; 66; 98; 104) | (44; 46; 66; 98; 104) | (44; 46; 66; 99; 104) | (45; 47; 66; 99; 105) | (45; 47; 68; 104; 111) | (47; 49; 70; 109; 118) |
| Female | (50; 52; 72; 102; 107) | (49; 52; 71; 101; 107) | (48; 50; 70; 99; 105) | (48; 50; 70; 101; 106) | (48; 50; 71; 102; 106) | (48; 51; 73; 105; 111) | (50; 52; 76; 111; 120) | |
| P Frontal Axis (°) | Male | (−15; −8; 53; 80; 85) | (−13; −5; 55; 80; 85) | (−12; −3; 57; 82; 87) | (−11; −3; 58; 84; 93) | (−12; −5; 60; 86; 95) | (−25; −9; 61; 94; 103) | (−35; −23; 61; 95; 101) |
| Female | (−15; −8; 52; 78; 82) | (−13; −5; 53; 79; 83) | (−12; −4; 53; 79; 83) | (−12; −5; 54; 80; 85) | (−13; −5; 57; 84; 94) | (−15; −7; 58; 85; 97) | (−45; −13; 59; 85; 99) | |
| QRS Frontal Axis (°) | Male | (−41; −28; 47; 90; 96) | (−48; −36; 38; 85; 91) | (−56; −45; 31; 82; 85) | (−61; −51; 23; 80; 84) | (−65; −57; 18; 79; 84) | (−70; −62; 15; 78; 83) | (−69; −62; 15; 84; 98) |
| Female | (−24; −14; 46; 84; 87) | (−32; −23; 37; 80; 85) | (−41; −33; 28; 77; 82) | (−48; −40; 21; 74; 80) | (−53; −46; 17; 73; 79) | (−58; −51; 15; 72; 78) | (−63; −55; 13; 77; 80) | |
| T Frontal Axis (°) | Male | (−18; −10; 35; 71; 75) | (−20; −12; 35; 73; 77) | (−23; −13; 39; 77; 83) | (−26; −15; 43; 81; 88) | (−27; −15; 48; 85; 95) | (−28; −18; 52; 90; 102) | (−37; −14; 55; 95; 99) |
| Female | (−12; −4; 36; 69; 72) | (−16; −8; 36; 72; 76) | (−18; −9; 38; 77; 83) | (−18; −8; 42; 81; 90) | (−21; −10; 46; 85; 95) | (−23; −12; 50; 89; 99) | (−26; −11; 52; 97; 104) | |
| Overall P Duration (ms) | Male | (76; 82; 110; 136; 140) | (78; 84; 110; 136; 140) | (78; 84; 112; 138; 144) | (74; 82; 114; 140; 146) | (72; 78; 114; 142; 146) | (68; 74; 114; 146; 150) | (62; 72; 114; 146; 150) |
| Female | (74; 80; 106; 134; 138) | (76; 80; 106; 136; 140) | (76; 82; 108; 136; 142) | (76; 80; 110; 138; 144) | (72; 78; 112; 142; 146) | (68; 74; 112; 144; 150) | (68; 72; 112; 144; 148) | |
| Overall PR Interval (ms) | Male | (108; 112; 150; 204; 216) | (108; 112; 152; 204; 216) | (106; 114; 152; 208; 220) | (108; 114; 154; 216; 228) | (108; 114; 158; 230; 246) | (108; 114; 164; 246; 268) | (106; 115; 166; 253; 289) |
| Female | (102; 106; 144; 194; 206) | (102; 106; 144; 194; 204) | (104; 110; 148; 200; 210) | (104; 110; 150; 208; 218) | (106; 110; 154; 214; 230) | (106; 112; 156; 232; 244) | (106; 108; 160; 241; 251) | |
| Overall QRS Duration (ms) | Male | (76; 78; 96; 114; 116) | (76; 78; 94; 114; 116) | (74; 76; 94; 114; 116) | (74; 76; 94; 114; 116) | (74; 76; 94; 114; 116) | (72; 76; 94; 116; 116) | (70; 72; 92; 116; 118) |
| Female | (70; 72; 88; 108; 110) | (72; 72; 88; 108; 112) | (72; 74; 90; 110; 112) | (72; 74; 90; 110; 114) | (70; 72; 90; 112; 114) | (70; 72; 88; 112; 116) | (66; 70; 88; 110; 112) | |
| QT Interval (ms) | Male | (324; 334; 392; 458; 468) | (328; 336; 396; 460; 472) | (328; 336; 398; 466; 478) | (328; 338; 402; 472; 484) | (326; 336; 404; 474; 486) | (320; 332; 406; 476; 488) | (307; 319; 400; 480; 491) |
| Female | (326; 334; 392; 452; 460) | (328; 338; 396; 458; 468) | (332; 340; 402; 466; 474) | (330; 338; 402; 470; 480) | (328; 338; 402; 470; 478) | (320; 332; 400; 470; 480) | (309; 319; 394; 473; 480) | |
| QTc Hodges (ms) | Male | (368; 372; 404; 445; 451) | (371; 375; 407; 450; 456) | (374; 378; 411; 454; 461) | (375; 380; 414; 459; 466) | (377; 382; 417; 462; 468) | (378; 383; 421; 465; 470) | (380; 385; 420; 471; 478) |
| Female | (379; 383; 414; 452; 458) | (381; 385; 418; 456; 462) | (382; 387; 421; 460; 466) | (383; 388; 423; 464; 470) | (383; 388; 424; 464; 469) | (382; 388; 425; 465; 470) | (381; 385; 423; 465; 470) | |
| QTc Bazett (ms) | Male | (363; 369; 411; 457; 463) | (367; 372; 414; 462; 468) | (370; 376; 418; 465; 471) | (373; 379; 421; 468; 474) | (375; 382; 426; 472; 478) | (379; 385; 431; 475; 479) | (375; 386; 434; 479; 484) |
| Female | (382; 388; 429; 470; 476) | (385; 391; 432; 473; 478) | (386; 392; 435; 475; 480) | (386; 393; 437; 476; 481) | (389; 395; 439; 478; 481) | (389; 396; 441; 480; 483) | (383; 397; 442; 483; 485) | |
| QTc Fridericia (ms) | Male | (367; 371; 404; 443; 449) | (370; 374; 407; 448; 454) | (372; 377; 411; 452; 458) | (374; 378; 414; 456; 461) | (374; 380; 418; 461; 465) | (376; 381; 421; 463; 467) | (377; 380; 420; 471; 473) |
| Female | (377; 382; 416; 454; 459) | (379; 384; 419; 458; 463) | (381; 386; 423; 461; 465) | (381; 387; 425; 463; 468) | (380; 386; 426; 464; 467) | (377; 384; 427; 465; 469) | (371; 382; 425; 468; 470) | |
| QTc Framingham (ms) | Male | (365; 370; 404; 442; 448) | (368; 373; 407; 447; 453) | (371; 376; 410; 451; 457) | (373; 378; 414; 455; 460) | (375; 380; 417; 460; 464) | (376; 382; 420; 462; 466) | (375; 380; 420; 470; 473) |
| Female | (379; 383; 416; 453; 458) | (381; 386; 419; 457; 462) | (382; 387; 423; 460; 464) | (383; 388; 424; 463; 467) | (381; 388; 426; 463; 467) | (380; 386; 426; 465; 468) | (375; 381; 424; 465; 469) |