Table 2 Linear regression analysis of impact of factors on BMI. BMI = Body mass index; NG tube = nasogastric feeding tube; ons = oral nutritional supplements
Factor | Value mean (sd) | Coefficient (univariable) | Coefficient (multilevel) | |
|---|---|---|---|---|
Ketamine | No | 15.2 (1.3) | - | - |
Yes | 16.2 (1.4) | 1.01 (0.42 to 1.59, p = 0.001) | 0.71 (0.23–1.20, p = 0.002) | |
Age | [16.0,44.0] | 16.0 (1.4) | 0.04 (0.02 to 0.07, p = 0.002) | 0.03 (-0.09-0.14, p = 0.325) |
Psychotherapy | No | 16.2 (1.5) | - | - |
Yes | 15.3 (1.0) | -0.88 (-1.47 to -0.28, p = 0.004) | -0.01 (-0.68-0.65, p = 0.484) | |
Orexigenic | No | 15.3 (0.5) | - | - |
Yes | 16.0 (1.5) | 0.70 (-0.28 to 1.68, p = 0.157) | 1.60 (1.04–2.17, p < 0.001) | |
Anorexigenic | No | 15.3 (1.0) | - | - |
Yes | 16.2 (1.5) | 0.86 (0.23 to 1.48, p = 0.008) | -0.04 (-0.69-0.60, p = 0.449) | |
Neutral | No | 18.1 (0.2) | - | - |
Yes | 15.8 (1.4) | -2.28 (-3.30 to -1.26, p < 0.001) | -1.38 (-4.43-1.68, p = 0.188) | |
NG tube | 0 | 16.6 (1.5) | - | - |
1-500 | 16.1 (1.3) | -0.46 (-1.36 to 0.44, p = 0.315) | -0.46 (-0.91–0.01, p = 0.022) | |
500–1000 | 15.3 (1.2) | -1.22 (-1.78 to -0.67, p < 0.001) | -0.50 (-0.82–0.18, p = 0.001) | |
> 1000 | 15.1 (0.4) | -1.42 (-2.32 to -0.53, p = 0.002) | -0.53 (-1.17-0.10, p = 0.050) | |
ONS | 0 | 18.1 (0.2) | - | - |
1-350 | 15.4 (1.4) | -2.68 (-3.72 to -1.64, p < 0.001) | -0.58 (-1.04–0.12, p = 0.007) | |
350–600 | 16.2 (1.5) | -1.85 (-2.94 to -0.77, p = 0.001) | 0.07 (-0.38-0.51, p = 0.382) | |
> 600 | 16.0 (1.0) | -2.13 (-3.19 to -1.07, p < 0.001) | Non estimable |