Objetivos: Estudar a relação entre nÃvel de atividade fÃsica na vida diária (AFVD) e gravidade da Doença Pulmonar Obstrutiva Crônica
(DPOC) avaliada pelo Ãndice BODE. Métodos: Sessenta e sete pacientes com DPOC (36 homens), com volume expiratório forçado
no primeiro segundo (VEF1) 39(27-47)%previsto, e 66(61-72)anos foram submetidos a avaliações de espirometria, grau de dispneia
(Medical Research Council scale, MRC) e teste de caminhada de 6 minutos (TC6). O Ãndice BODE foi calculado com base no Ãndice
de massa corpórea (peso/estatura2), VEF1, MRC e TC6, e os pacientes foram subdivididos em quatro quartis de acordo com sua
pontuação no BODE (quartil I: 0 a 2 pontos, n=15; quartil II: 3 a 4 pontos, n=20; quartil III: 5 a 6 pontos, n=23; quartil IV: 7 a 10
pontos, n=9). O nÃvel de AFVD foi avaliado por dois monitores de atividade fÃsica (DynaPort® e SenseWear®). Os testes de Kruskal-
Wallis (pós-teste Dunns), Mann-Whitney e Coeficiente de Correlação de Spearman foram utilizados na análise estatÃstica. Resultados:
Houve correlação modesta entre os escores do Ãndice BODE e o tempo gasto andando/dia, gasto energético total e tempo gasto/
dia em atividades moderadas e vigorosas (-0,32≤ r ≤-0,47; p≤0.01 para todos). Quando comparados os quartis agrupados I+II com
III+IV, houve diferença significante entre o tempo gasto andando/dia, gasto energético total e tempo gasto em atividades moderadas
(p≤0,05). Conclusão: O nÃvel de AFVD apresenta correlação modesta com a classificação da gravidade da DPOC dada pelo Ãndice
BODE, refletindo apenas diferenças entre pacientes com doença leve-moderada e grave-muito grave.
Objectives: To study the relationship between the level of physical activity in daily life and disease severity assessed by the BODE
index in patients with chronic obstructive pulmonary disease (COPD). Methods: Sixty-seven patients with COPD (36 men) with forced
expiratory volume in the first second (FEV1) of 39 (27-47)% predicted and age of 66 (61-72) years old were evaluated by spirometry,
dyspnea levels (measured by the Medical Research Council scale, MRC) and by the 6-minute walking test (6MWT). The BODE index
was calculated based on the body mass index (weight/height2), FEV1, MRC and 6MWT, and then the patients were divided in four
quartiles according to their scores (Quartile I: 0 to 2 points, n=15; Quartile II: 3 to 4 points, n=20; Quartile III: 5 to 6 points, n=23; Quartile
IV: 7 to 10 points, n=9). Two activity monitors (DynaPort® and SenseWear®) were used to evaluate the level of physical activity in daily
life. The Kruskal-Wallis test (Dunns’s post-hoc test), the Mann-Whitney test and the Spearman Correlation Coefficient were used for
statistical analysis. Results: There were modest correlation between the BODE index and the time spent walking per day, the total daily
energy expenditure and the time spent in moderate and vigorous activities per day (-0.32 ≤ r ≤- 0.47; p≤0.01 for all variables). When
comparing the pooled quartiles I+II with III+IV, there were significant difference between the time spent walking per day, the total daily
energy expenditure and the time spent in moderate activities per day (p≤0.05). Conclusion: The level of physical activity in daily life has
a modest correlation with the classification of COPD severity assessed by the BODE index, reflecting only differences between patients
with classified as mild-moderate and severe-very severe COPD.