Table 3.
Association between physical health-related quality-of-life and quantitatively measured physical functions of former PICU patients
| Outcome | Physical function | Bodily pain | General health | Role functioning - physical |
|---|---|---|---|---|
| Handgrip-strength (% of predicted) | ||||
| Average force dominant hand | ρ = 0.185, p < 0.0001a | ρ = 0.035, p = 0.44 | ρ = 0.184, p < 0.0001a | ρ = 0.094, p = 0.038a |
| Average force non-dominant hand | ρ = 0.197, p < 0.0001a | ρ = 0.049, p = 0.28 | ρ = 0.158, p = 0.0005a | ρ = 0.103, p = 0.024a |
| Timed up-and-go test (s) | ρ = -0.075, p = 0.25 | ρ = -0.048, p = 0.46 | ρ = -0.070, p = 0.28 | ρ = 0.124, p = 0.057 |
| 6-minute walk test | ||||
| Distance walked (m) | R = -0.095, p = 0.24 | ρ = -0.108, p = 0.18 | ρ = 0.040, p = 0.62 | R = -0.094, p = 0.24 |
| Actigraph | ||||
| Total energy expenditure | ||||
| kcal/kg/day | ρ = 0.006, p = 0.92 | ρ = 0.003, p = 0.96 | ρ = 0.154, p = 0.015a | ρ = -0.007, p = 0.91 |
| kcal/kg/hour monitored | ρ = 0.043, p = 0.50 | ρ = 0.019, p = 0.76 | ρ = 0.159, p = 0.012a | ρ = 0.021, p = 0.74 |
| Physical activity energy expenditure | ||||
| Metabolic Equivalent of Task | ρ = 0.289, p = 0.0043a | ρ = 0.059, p = 0.56 | ρ = 0.109, p = 0.29 | ρ = 0.237, p = 0.020a |
| Daily time spent in a type of activity, % | ||||
| Sedentary | ρ = -0.300, p < 0.0001b | ρ = -0.100, p = 0.14 | ρ = -0.228, p = 0.0007a | ρ = -0.218, p = 0.0012a |
| Light activity | ρ = 0.187, p = 0.0032a | ρ = 0.062, p = 0.33 | ρ = 0.166, p = 0.0089a | ρ = 0.114, p = 0.075 |
| Moderate activity | ρ = -0.068, p = 0.28 | ρ = -0.032, p = 0.61 | ρ = 0.045, p = 0.48 | ρ = -0.076, p = 0.23 |
| Vigorous activity | ρ = 0.189, p = 0.0029a | ρ = 0.055, p = 0.38 | ρ = 0.296, p < 0.0001a | ρ = 0.171, p = 0.0071a |
| Very vigorous activity | ρ = 0.237, p = 0.019a | ρ = 0.016, p = 0.87 | ρ = 0.217, p = 0.033a | ρ = 0.213, p = 0.036a |
| Moderate to vigorous activity | ρ = -0.039, p = 0.54 | ρ = -0.034, p = 0.59 | ρ = 0.074, p = 0.24 | ρ = -0.045, p = 0.47 |
| Number of Freedson bouts | ρ = 0.123, p = 0.053 | ρ = 0.037, p = 0.56 | ρ = 0.185, p = 0.0035a | ρ = 0.110, p = 0.084 |
| Number of sedentary bouts | R = -0.330, p < 0.0001b | R = -0.143, p = 0.024a | ρ = -0.160, p = 0.011a | ρ = -0.269, p < 0.0001a |
| Number of steps walked | ||||
| Steps/day | R = 0.225, p = 0.0004a | R = 0.109, p = 0.086 | R = 0.208, p = 0.0010a | R = 0.195, p = 0.0021a |
| Steps/day/hour monitored | R = 0.303, p < 0.0001b | R = 0.145, p = 0.022a | R = 0.207, p = 0.0011a | R = 0.240, p = 0.0001a |
Correlations with p < 0.05 are indicated in bold. a Weak correlations (R or ρ < 0.3), b Moderate correlations (R or ρ 0.3 - <0.6)