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Table 5 Responses to a submaximal exercise workload (65% VO 2 Peak)

From: Substrate utilization during submaximal exercise in children with a severely obese parent

Variable LP OP P Value
VO2, ml/kg/min 25.5 ± 1.8 21.5 ± 1.8 0.13
VO2, L/min 0.98 ± 0.08 1.1 ± 0.14 0.67
% peak VO2, ml/kg/min 63.3 ± 2.1 60.0 ± 2.5 0.32
% peak VO2, L/min 63.5 ± 2.2 60.7 ± 2.4 0.39
Heart Rate (beats/min) 153.3 ± 4.3 143.8 ± 3.6* ≤0.05
RER 0.90 ± 0.01 0.91 ± 0.01 0.53
  1. LP, children with lean/non-obese parents; OP, children with a severely obese parent (n = 13 per group). Mean ± SE. *P ≤ 0.05 for a difference between groups.