Table 4.  Thresholds in the examined groups. Data are means (±SD).
       

  Obese (n=19)

 

Parameters

Normal weight (n=19)

Obese
(n=42)

significance obese vs control

Before

After

significance
before and
after

LT [L·min-1]

.94 (.15) #

1.11 (.21)*

0.01

1.12 (.21) †

1.13 (.15) ‡

NS

LT/BM [mL·min·kg-1]

16.7 (3.2)

12.1 (2.4)

0.001

12.2 (2.3)

14.0 (1.7)

0.01

LT/FFM [mL·min·kg-1]

22.4 (4.1)

21.2 (4.1)

NS

21.3 (3.9)

22.4 (2.8)

NS

VT [L·min-1]

.79 (.23)

.88 (.18)

0.05

.89 (.17)

.94 (.25)

NS

VT/BM [mL·min·kg-1]

13.8 (.2)

9.6 (2.0)

0.001

9.7 (2.2)

11.5 (2.4)

0.01

VT/FFM [mL·min·kg-1]

18.4 (4.7)

16.9 (3.4)

NS

17.0 (3.6)

18.4 (4.5)

NS

LT/VO2 peak [%]

67.3 (12.4)

65.9 (11.2)

NS

68.4 (13.1)

64.7 (9.9)

NS

VT/VO2 peak [%]

53.8 (12.1)

53.7 (9.8)

NS

54.9 (11.5)

52.5 (8.4)

NS

* p < 0.001 LT vs VT in obese women, # p < 0.01 LT vs VT in normal weight women, p < 0.001 LT vs VT in obese women before therapy, ‡ p < 0.01 LT vs VT in obese women after therapy. LT: lactate threshold; VT: ventilatory threshold; BM: body mass; FFM: fat free mass.