Table 2

Baseline patient characteristics

CharacteristicsSepsis (n=970)
N (%)
Non-sepsis (n=28 694)
N (%)
p Value*
Demographics
Age decile
 <5014 (1.4)1460 (5.1)<0.001
 50–59171 (17.6)7581 (26.4)
 60–69343 (35.4)10 835 (37.8)
 70–79311 (32.1)6839 (23.8)
 ≥80131 (13.5)1979 (6.9)
Gender
 Male508 (52.4)12 812 (44.7)<0.001
 Female462 (47.6)15 882 (55.4)
Race
 White662 (68.3)16 802 (58.6)<0.001
 Black308 (31.8)11 892 (41.4)
Education
 Less than high school153 (15.8)3547 (12.4)<0.001
 High school graduate275 (28.4)7387 (25.7)
 Some college272 (28.0)7670 (26.7)
 College or higher268 (27.6)10 069 (35.1)
 Unknown2 (0.2)21 (0.01)
Income
 <US$20k238 (24.5)5102 (17.8)<0.001
 US$20k–US$34k272 (28.0)6892 (24.0)
 US$35k–US$74k254 (26.2)8552 (29.8)
 ≥US$75k103 (10.6)4587 (16.0)
 Unknown (refused)970 (10.6)3561 (12.4)
Geographical region
 Stroke buckle209 (21.6)6003 (20.9)0.04
 Stroke belt367 (37.8)9910 (34.5)
 Non-belt/buckle394 (40.6)12 781 (44.5)
Health status—physical composite score
 Quintile 1 (≤37.002)352 (36.3)5314 (18.5)<0.001
 Quintile 2 (37.006–46.949)208 (21.4)5482 (19.1)
 Quintile 3 (46.951–52.111)145 (15.0)5545 (19.3)
 Quintile 4 (52.112–55.501)136 (14.0)6126 (21.4)
 Quintile 5 (≥55.502)76 (7.8)4945 (17.2)
 Missing53 (5.46)1282 (4.47)
Health status—mental composite score
 Quintile 1 (≤49.591)224 (23.1)5442 (19.0)<0.001
 Quintile 2 (49.592–55.282)188 (19.4)5481 (19.1)
 Quintile 3 (55.282–57.827)143 (14.9)5741 (20.0)
 Quintile 4 (57.828–59.872)144 (14.9)5459 (19.0)
 Quintile 5 (≥59.872)218 (22.5)5289 (18.4)
 Missing53 (5.5)1282 (4.5)
Health behaviours
Tobacco use
 Current173 (17.8)4106 (14.3)<0.001
 Past471 (48.6)11 432 (39.8)
 Never323 (33.3)13 045 (45.5)
 Unknown3 (0.3)111 (0.4)
Alcohol use
 Heavy39 (4.0)1136 (4.0)0.07
 Moderate279 (28.8)9406 (32.8)
 None631 (65.1)17 593 (61.3)
 Unknown21 (2.2)559 (2.0)
Chronic medical conditions
 Atrial fibrillation128 (13.2)2418 (8.4)<0.001
 Cancer history131 (13.5)3484 (8.7)<0.001
 Chronic lung disease201 (20.7)2529 (8.8)<0.001
 Chronic kidney disease210 (21.7)3034 (10.6)<0.001
 Coronary artery disease277 (28.6)4948 (17.2)<0.001
 Deep vein thrombosis89 (9.2)1464 (5.1)<0.001
 Diabetes328 (33.8)6369 (22.2)<0.001
 Dyslipidaemia618 (63.7)16 331 (56.9)<0.001
 Hypertension666 (68.7)16 863 (58.8)<0.001
 Myocardial infarction205 (21.1)3510 (12.2)<0.001
 Obesity (elevated waist circumference or body mass index ≥30 kg/m2)609 (62.8)15 328 (53.4)<0.001
 Peripheral artery disease46 (4.7)615 (2.1)<0.001
 Stroke107 (11.0)1786 (6.2)<0.001
  • *From χ2 test.