Table 2

Comparison between patients with good exercise responses (group I) and patients with poor exercise responses (group II)

Variable Group I (n=11) Group II (n=10) p Value
Age (years)37 (13)54 (11)< 0.01
End diastolic diameter index (cm/m2)3.29 (0.22)3.53 (0.44)NS
End systolic diameter index (cm/m2)2.31 (0.27)2.48 (0.40)NS
End diastolic volume index (ml/m2)120 (30)149 (26)< 0.05
End systolic volume index (ml/m2)54 (15)70 (15)< 0.05
Ejection fraction (%)55 (5)54 (4)NS
ESWS (103dynes/cm2)103 (25)107 (39)NS
ESWS/end systolic volume index2.12 (1.08)1.58 (0.61)NS
LV mass index (g/m2)182 (51)259 (60)< 0.01
Peak velocity of LV posterior wall (cm/s)8.9 (2.5)7.4 (1.0)NS
Maximum oxygen consumption (ml/kg/min)29 (6)23 (7)NS
Anaerobic threshold (l/min)1.07 (0.22)0.99 (2.2)NS
Exercise duration (min)22 (7)19 (7)NS
Exercise workload (Mets)10.7 (2.6)8.4 (3.3)NS
e/V˙co2 slope27.6 (3.6)30.1 (4.4)NS
  • ESWS, end systolic wall stress; LV, left ventricle;V˙e/V˙co2 slope, minute ventilation against carbon dioxide production.