Table 2.
Physical Activity Profiles of the Whole Study Population and Patients Subdivided into 3 Groups
| Overall (n=200) | COPD (n=96) | HYPOX (n=63) | LTOT (n=41) | P | |
|---|---|---|---|---|---|
| Total Energy Expenditure, Cal/day | 2219 (537) | 2264 (592) | 2261 (503) | 2049 (418) | 0.074 |
| Energy expenditure, mean METs | 1.3 (0.5) | 1.3 (0.3) | 1.3 (0.2) | 1.2 (0.2) | 0.034 (&=0.035) |
| Time spent lying down, min/day | 509.9 (127.8) | 528.9 (112.6) | 489.5 (150.0) | 496.0 (121.1) | 0.122 |
| Time spent sleeping, min/day | 412.0 (122.8) | 422.2 (114.1) | 404.4 (139.7) | 398.7 (117.5) | 0.523 |
| Energy expenditure < 1.5 METs, min/day | 1107.1 (203.9) | 1069.3 (242.8) | 1104.9 (149.1) | 1199.1 (142.7) | 0.003 (&=0.002) |
| Time spent > 3.0 METs, min/day | 82.6 (155.0) | 112.0 (209.8) | 66.4 (72.1) | 38.6 (50.6) | 0.025 (&=0.035) |
| Daily steps, steps/day | 5033 (3304) | 5740 (3486) | 5394 (3150) | 2822 (1908) | <0.001 (&=<0.001, #=0.001) |
| Sedentary time, min/day | 689.2 (220.4) | 642.7 (254.8) | 692.3 (160.8) | 794.3 (168.3) | 0.001 (&=0.001) |
Notes: P=ANOVA test. In brackets P of post hoc analysis with Bonferroni correction: & = LTOT vs.COPD, # = LTOT vs HYPOX.