Table 1.
Clinical characteristics of 42 study participants prior to NMN supplementation.
| Placebo mean ± SD (21) | NMN mean ± SD (21) | Between group P value | |
|---|---|---|---|
| Age (year) | 71.8 ± 6.1 | 71.1 ± 3.9 | 0.960b |
| BMI (kg/m2) | 24.5 ± 1.4 | 24.1 ± 1.4 | 0.283b |
| Fat mass (%) | 26.7 ± 3.9 | 25.7 ± 3.8 | 0.424a |
| SMI (kg/m2) | 7.62 ± 0.42 | 7.64 ± 0.29 | 0.867a |
| Gait speed (m/s) | 1.36 ± 0.16 | 1.45 ± 0.17 | 0.106a |
| A 30-s chair-stand test (counts/30 s) | 14.0 ± 4.2 | 13.9 ± 3.9 | 0.909a |
| Right-hand grip strength (kg) | 37.7 ± 6.1 | 39.1 ± 4.7 | 0.686b |
| Left-hand grip strength (kg) | 34.6 ± 4.9 | 35.1 ± 4.5 | 0.970b |
| HbA1c (%) | 5.82 ± 0.29 | 5.90 ± 0.53 | 0.761b |
| FBG (mg/dL) | 95.7 ± 10.2 | 101.0 ± 11.6 | 0.332b |
| HOMA-IR | 1.30 ± 0.83 | 1.66 ± 1.57 | 0.406b |
| CT L/S ratio | 1.16 ± 0.12 | 1.14 ± 0.13 | 0.460a |
|
Visceral adipose tissue (cm2) |
123.0 ± 32.0 | 124.4 ± 38.7 | 0.842b |
The mean and standard deviation of data from the 42 participants (the NMN group (n = 21) and the placebo group (n = 21)) are presented.
aInter-group comparisons were performed using an unpaired t test.
bInter-group comparisons were performed using the Mann–Whitney U test.