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. 2019 Mar 18;37(2):234–240. doi: 10.1590/1984-0462/;2019;37;2;00017

Table 2. Characteristics and main results of the studies included in this review.

First author & year Groups assessed Pulmonary function (% of predicted) Exercise testing used Results of the exercise testing (% of predicted) Conclusion of the exercise capacity
Frohlich et al. (2014) 22 Healthy

  • FEV1: 112±15

  • FVC: 112±16

  • FEV1/FVC: 99±03

 CPET VO2max.: 101±17 Reduced exercise capacity compared to healthy individuals (p-value<0.05)
PIBO

  • FEV1: 60±30

  • FVC: 74±22

  • FEV1/FVC: 78±21

 VO2max.: 84±15
Zenteno et al. (2009) 23 PIBO

  • FVC: 85.4±15

  • FEV1: 58.3±23

  • FEV1/FVC: 59.3±32

  • FEF25-75: 31.7±25

 6MWT Distance covered: 598±71# Preserved exercise capacity (>476 m)
Mattiello et al. (2008) 11 PIBO

  • FEV1: 57.7±17.9

  • FVC: 66.8±17.3

  • FEV1/FVC: 57.9±12.5

  • FEF25-75: 20.4±12.6

  • 6MWT

  • CPET

  • Distance covered: 77±15.7

  • VO2max.: 77.5±37.5

 Reduced exercise capacity (<80% of predicted)
Gerbase et al. (2008) 24 PIBO FEV1: 73.9±25.1 6MWT Distance covered: 30.4 (4.5-8.1)* Reduced exercise capacity (<80% of predicted)

%: percentage; PIBO: post-infectious bronchiolitis obliterans; FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity; FEV1/FVC: Tiffeneau index; FEF25-75: forced expiratory flow; CPET: cardiopulmonary exercise testing; 6MWT: six-minute walk test; VO2max.: maximal oxygen uptake; *data expressed in median and variation; #data presented in meters.