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Table 4 Repetitive measures of weight loss effect after LSG by age groups

From: The influence of patient’s age on metabolic and bariatric results of laparoscopic sleeve gastrectomy in 2-year observation

Variables 0 1 month 3 months 6 months 12 months 24 months p-value
BMI (kg/m2)  < 45 46.25 (42.17–50.31) 40.81 (37.32–45.73) 36.57 (32.88–41.81) 33.21 (29.32–38.76) 30.38 (26.42–35.82) 26.77 (23.78–32.25)  < 0.001
BMI (kg/m2)  ≥ 45 46.69 (42.02–52.08) 41.36 (37.11–47.27) 37.62 (33.03–44.25) 33.83 (29.75–39.68) 31.83 (26.77–37.65) 27.62 (23.18–34.72)  < 0.001
p-value ≥ 45 vs. < 45 0.410 0.501 0.383 0.405 0.187 0.596  
%TWL  < 45 N/A 10.14 (8.16–12.26) 19.37 (16.20–22.27) 27.01 (22.22–31.19) 33.33 (26.97–38.38) 40.95 (35.26–45.97)  < 0.001
%TWL  ≥ 45 N/A 10.23 (8.15–11.82) 18.33 (15.65–22.00) 26.52 (22.53–30.47) 32.47 (27.33–38.03) 40.44 (35.95–45.10)  < 0.001
p-value ≥ 45 vs. < 45   N/A 0.581 0.288 0.551 0.979 0.459  
%EWL  < 45 N/A 19.24 (15.38–24.53) 36.86 (29.24–44.20) 51.67 (40.98–61.54) 63.69 (48.57–75.86) 78.52 (62.65–90.32)  < 0.001
%EWL  ≥ 45 N/A 19.18 (15.3–22.95) 35.29 (27.56–43.85) 50 (40.41–59.59) 60 (48.68–73.77) 74.54 (61.43–90.91)  < 0.001
p-value ≥ 45 vs. < 45 N/A 0.499 0.361 0.493 0.412 0.622  
%EBMIL  < 45 N/A 22.8 (17.61–28.89) 43.26 (33.42–53.35) 61.24 (46.02–74.45) 74.26 (56.04–90.79) 91.95 (70.74–107.16)  < 0.001
%EBMIL  ≥ 45 N/A 22.3 (17.39–27.31) 41.11 (31.53–51.45) 58.58 (44.81–72.93) 69.66 (54.38–89.92) 88.01 (68.7–111.25)  < 0.001
p-value ≥ 45 vs. < 45 N/A 0.486 0.354 0.463 0.376 0.788  
  1. BMI, body mass index; %EBMIL, percentage of excess BMI loss; %EWL, percentage of excess weight loss; %TWL, percentage of total weight loss