Table 1

Demographic comparison of apical and septal groups (n (%) or mean±SD)

Apical (n=616)Septal (n=204)P value
Age (year)77±1173±15 < 0.001
Gender (♂)382 (62)125 (61)>0.9
Urgency (urgent)396 (65)136 (67)0.7
Dual/single chamber (dual)565 (92)193 (95)0.2
Comorbidities
 Atrial arrhythmia152 (25)41 (21)0.3
 Heart failure55 (9)17 (9)>0.9
 Renal failure87 (14)26 (13)0.8
 Liver failure00
 Metastatic cancer7 (1)0 (0)0.3
 Stroke86 (14)22 (11)0.3
 Diabetes mellitus122 (20)37 (19)0.8
 Hypertension416 (68)123 (62)0.1
 Ischaemic heart disease162 (27)58 (29)0.5
 CABG37 (6)19 (10)0.1
 Valvular heart disease172 (28)62 (31)0.5
 Valve surgery52 (9)22 (11)0.3
Haematology/biochemistry
 Haemoglobin128±19128±19>0.9
 Creatinine98±5599±770.7
 Sodium138±4138±40.2
Medications
 Diuretic205 (34)61 (31)0.5
 ACEI/ARB270 (44)78 (39)0.2
 Beta-blocker80 (13)27 (14)0.9
 Digoxin4 (1)0 (0)0.6
 Ca-channel blocker103 (17)30 (15)0.7
 Amiodarone9 (2)4 (2)0.8
  • ACEI, angiotensin converting enzyme inhibitor; ARB, angiotensin II receptor blocker; CABG, coronary artery bypass grafting; eGFR, estimated glomerular filtration rate.