Table 1

Clinical characteristics

Overall
(n=123)
Calcified
(n=49)
Non-calcified
(n=74)
P values
Age61±1363±1359±140.073
Male93 (76)39 (80)54 (73)0.403
All-cause mortality26 (21)13 (27)13 (18)0.223
NYHA
 I13 (11)3 (6)10 (14)0.192
 II57 (46)22 (45)35 (47)0.794
 III50 (41)21 (43)29 (39)0.685
 IV3 (2)3 (6)0 (0)0.061
 Ejection fraction57±8.156.1±8.257.5±8.10.358
CP aetiology
 Idiopathic59 (48)28 (57)31 (42)0.097
 Infectious4 (3)0 (0)4 (5)0.098
 Radiation15 (12)4 (8)11 (15)0.266
 Postpericardiotomy syndrome31 (25)14 (29)17 (23)0.484
 Trauma3 (2)1 (2)2 (3)1
 Autoimmune6 (5)1 (2)5 (7)0.401
 Neoplastic4 (3)0 (0)4 (5)0.150
 Uraemic1 (0.8)1 (2)0 (0)0.398
 Pericardiectomy64 (52)30 (61)34 (46)0.097
Comorbidities
 Hypertension71 (58)25 (51)46 (62)0.221
 Hyperlipidaemia55 (45)20 (41)35 (47)0.479
 Diabetes mellitus33 (27)11 (23)22 (30)0.372
 CAD55 (44)19 (39)35 (47)0.351
 CHF59 (48)27 (55)32 (43)0.197
 CKD27 (22)09 (18)18 (24)0.435
 Atrial fibrillation56 (46)32 (65)24 (32)<0.001
 COPD23 (19)14 (29)09 (12)0.022
 Smoking history72 (59)33 (67)39 (53)0.107
Medication use
 Aspirin46 (37%)16 (33%)30 (41%)0.376
 Colchicine16 (13%)4 (8%)12 (16%)0.194
 NSAID20 (16%)6 (12%)14 (19%)0.326
 Steroid24 (20%)6 (12%)18 (24%)0.098
 DMARD2 (2%)02 (3%)0.517
 Diuretic81 (66%)39 (80%)42 (57%)0.009
Lab findings*
 White cell count8±3.47.6±3.88.2±3.10.331
 Haemoglobin12.2±2.112.7±2.111.8±2.10.019
 Platelets226±105195±82246±1140.005
 Sodium137.8±3.9138.4±4.5137.5±3.50.246
 Potassium4.1±0.64.0±0.64.1±0.60.388
 Creatinine1.3±1.71.2±0.81.4±2.10.554
 Albumin3.8±0.64±0.63.6±0.60.002
  • Data were summarised as frequency n (%) for descriptive data and mean±SD for continuous data.

  • *Total patients included n=120: 47 in calcified pericardium group and 73 in non-calcified pericardium group.

  • CAD, coronary artery disease; CHF, congestive heart failure; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; CP, constrictive pericarditis; DMARD, disease-modifying antirheumatic drug; NSAID, non-steroidal anti-inflammatory drug; NYHA, New York Heart Association.