Table 1 Population characteristics stratified by extent of coronary artery calcification (CAC)
From: Predicting mortality from AI cardiac volumes mass and coronary calcium on chest computed tomography
CAC 0 N = 4618 | CAC 1–100 N = 9006 | CAC 101–400 N = 4816 | CAC > 400 N = 5914 | p-value | |
|---|---|---|---|---|---|
Age | 59 (56–62) | 60 (57–63) | 61 (58 –66) | 63 (59–68) | <0.001 |
Male | 1681 (36.4%) | 4786 (53.1%) | 3233 (67.1%) | 4741 (80.2%) | <0.001 |
Pack years smoking | 44 (37.5–60) | 46 (38–63) | 50 (40–70) | 54 (42–75) | <0.001 |
Past Medical History | |||||
Hypertension | 1145 (24.8%) | 2811 (31.2%) | 1817 (37.7%) | 2770 (46.8%) | <0.001 |
Diabetes | 234 (5.1%) | 675 (7.5%) | 499 (10.4%) | 949 (16.0%) | <0.001 |
Heart disease | 176 (3.8%) | 475 (5.3%) | 575 (11.9%) | 1931 (32.7%) | <0.001 |
COPD | 221 (4.8%) | 422 (4.7%) | 268 (5.6%) | 336 (5.7%) | 0.016 |
Stroke | 84 (1.8%) | 189 (2.1%) | 145 (3.0%) | 263 (4.4%) | <0.001 |
LV volume (mL) | 92 (79–106) | 99 (84–115) | 104 (89–120) | 110 (95−128) | <0.001 |
LA volume (mL) | 56 (48–65) | 61 (51–71) | 64 (55–76) | 68 (58–80) | <0.001 |
RV volume (mL) | 120 (102–142) | 131 (109–156) | 139 (115–163) | 145 (124–168) | <0.001 |
RA volume (mL) | 73 (63–86) | 79 (67–92) | 83 (71–97) | 88 (75–102) | <0.001 |
LV mass (g) | 97 (84–114) | 107 (89–127) | 115 (96–134) | 122 (104–142) | <0.001 |
Shape Index | 0.593 (0.561–0.626) | 0.596 (0.563–0.629) | 0.595 (0.563–0.631) | 0.603 (0.569–0.641) | <0.001 |
Eccentricity Index | 0.835 (0.815–0.853) | 0.833 (0.812–0.851) | 0.833 (0.812–0.851) | 0.828 (0.807–0.848) | <0.001 |
