Table 1—

Patient characteristics

Total of patients with PEPatients without TNT measurementTNT-positive patientsTNT-negative patientsp-value#
Subjects n737174151412
Age yrs55 (54–57)52 (49–54)61 (59–64)55 (53–56)≤0.001
Body mass index28 (27–28)27 (26–28)29 (27–30)28 (27–28)
Oxygen saturation %92 (92–93)92 (91–94)90 (88–91)94 (93–94)≤0.001
Systolic blood pressure mmHg128 (126–131)131 (125–137)110 (102–117)134 (131–137)≤0.001
Diastolic blood pressure mmHg71 (69–72)71 (68–74)63 (59–67)73 (72–75)≤0.001
Heart rate beats·min−197 (95–99)95 (91–100)102 (97–107)96 (94–99)≤0.001
Shock index beats·min−1·mmHg−10.79 (0.77–0.81)0.75 (0.72–0.79)0.97 (0.91–1.03)0.74 (0.72–0.76)≤0.001
Creatinine mg·dL−11.17 (1.12–1.22)1.08 (1.02–1.14)1.46 (1.30–1.62)1.11 (1.05–1.16)≤0.001
Categorical data
 Male351 (48)74 (43)67 (45)210 (51)
 Positive shock index121 (16)22 (13)60 (40)39 (9)≤0.001
Concomitant diseases
 Cancer at any time147 (20)36 (21)33 (22)78 (19)
 Chronic heart failure71 (10)10 (6)24 (16)37 (9)≤0.05
 COPD67 (9)13 (8)16 (11)38 (9)
 Coronary artery disease93 (13)12 (7)24 (16)57 (14)
 Hypertension205 (30)32 (22)56 (39)117 (29)≤0.05
Risk factors
 Smoking173 (24)43 (25)22 (15)108 (26)≤0.01
 Immobilisation134 (18)43 (25)32 (21)59 (14)≤0.05
 Long distance travel52 (7)10 (6)3 (2)39 (9)≤0.01
 Previous VTE215 (29)54 (31)33 (22)128 (31)≤0.05
 Family history of VTE66 (9)20 (12)11 (7)35 (9)
 Surgery105 (14)30 (17)32 (21)43 (10)≤0.01
Symptoms
 Dyspnoea on physical exercise322 (44)73 (42)43 (28)206 (50)≤0.001
 Dyspnoea while resting223 (30)42 (24)88 (58)93 (23)≤0.001
  Any of the two above539 (73)113 (65)128 (85)298 (72)≤0.01
 Pleuritic chest pain378 (51)111 (64)35 (23)232 (56)≤0.001
 Angina like chest pain142 (19)11 (6)54 (36)77 (19)≤0.001
  Any of the two above490 (67)117 (68)81 (54)292 (71)≤0.001
 Cough131 (18)37 (21)16 (11)78 (19)≤0.05
 Tachycardia177 (24)41 (24)57 (38)79 (19)≤0.001
 Syncope88 (12)13 (8)47 (31)28 (7)≤0.001
Treatment
 Thrombolysis132 (18)20 (12)66 (44)46 (11)≤0.001
 Cardiopulmonary resuscitation66 (9)15 (9)35 (23)16 (4)≤0.001
 Catecholamine90 (12)21 (12)47 (31)22 (5)≤0.001
  • Data are presented as mean (95% confidence interval) or n (%), unless otherwise stated. PE: pulmonary embolism; TNT: troponin T; COPD: chronic obstructive pulmonary disease; VTE: venous thromboembolism. #: p-values are provided for descriptive purposes only and are between TNT positive and TNT negative patients.