Variable | Group 1 | Group 2 | Group 3 | ||||||
---|---|---|---|---|---|---|---|---|---|
n | Mean (SD) | Range | n | Mean (SD) | Range | n | Mean (SD) | Range | |
Group 1, weight loss exceeding 5%; group 2, weight loss of 3.5–4.5%; group 3, weight loss of 3% to a weight gain of 3%. | |||||||||
*Significantly different from registration weight (p<0.0001). | |||||||||
**Significantly different from starting weight (p<0.0001). | |||||||||
†Significantly different from group 1 (p<0.05). | |||||||||
††Significantly different from group 2 (p<0.05). | |||||||||
§Significantly different from group 1 and group 2 (p<0.001). | |||||||||
¶Significantly different from group 1 (p<0.001). | |||||||||
‡Significantly different from starting [Na+] (p<0.01). | |||||||||
Registration weight (kg) | 64 | 74.9 (7.6) | 57.2–92.1 | 69 | 74.5 (8.4) | 53.0–88.8 | 68 | 75.5 (8.1) | 49.2–94.2 |
Starting weight (kg) | 86 | 75.5 (7.8)* | 55.0–93.0 | 86 | 75.5 (8.3)* | 52.8–91.8 | 86 | 75.7 (8.0) | 50.0–94.4 |
Finishing weight (kg) | 86 | 70.9 (7.6)** | 52.2–88.3 | 86 | 72.5 (7.9)** | 50.7–88.4 | 86 | 74.1 (7.8)† ** | 48.6–91.7 |
Weight change (kg) | 86 | −4.6 (0.9) | −8.0 to −3.0 | 86 | −3.0 (0.4)¶ | −3.6 to −2.1 | 86 | −1.6 (0.9)§ | −2.7 to +3.0 |
Weight change (%) | 86 | −6.2 (1.1) | −10.7 to −5.0 | 86 | −3.9 (0.28)¶ | −4.5 to −3.5 | 86 | −2.1 (1.1)§ | −2.9 to +3.7 |
Starting [Na+] (mmol/l) | 56 | 141.2 (1.7) | 135.2–144.3 | 66 | 140.5 (1.5) | 136.4–144.1 | 57 | 140.5 (1.6)† | 136.7–144.0 |
Finishing [Na+] (mmol/l) | 69 | 142.4 (3.1)‡ | 134.1–152.0 | 57 | 141.3 (2.4) | 134.2–147.2 | 61 | 139.8 (2.9)¶†† | 125.8–145.0 |