A Propensity Score Cohort Study on the Long-Term Safety and Efficacy of Sleeve Gastrectomy in Patients Older Than Age 60
Table 1
Baseline characteristics of the raw and IPTW analyses in older and control patients.
Variables
Raw analysis
IPTW analysis
Control group (CG) n:145
Older group (OG) n: 116
Standardized difference
Control group (CG)
Older group (OG)
Standardized difference
Age (year)
54.8 (2.6)
63.3 (2.5)
<0.001
Sex (female %)
89 (61.4)
97 (83.6)
<0.001
−0.514
103 (71.9)
86 (77.6)
0.294
−0.133
BMI (kg/m2)
47.1 (6.5)
45.3 (5.5)
0.055
−0.240
46.7 (6.0)
46.2 (5.9)
0.522
−0.081
EBW (kg)
58.6 (17.8)
50.0 (13.5)
<0.001
−0.428
56.1 (15.8)
54.5 (15.4)
0.457
−0.090
ASA
2.4 (0.5)
2.5 (0.5)
0.377
0.110
2.50 (0.5)
2.4 (0.5)
0.669
−0.053
Current smoker (%)
29 (20.0)
4 (3.4)
<0.001
0.532
18 (12.6)
8 (7.4)
0.181
−0.046
Type 2 DM (%)
63 (43.4)
62 (53.4)
0.108
0.201
69 (48.0)
51 (45.6)
0.711
−0.026
Duration DM (year)
8.2 (3.8)
9.3 (6.7)
0.442
0.094
8.9 (4.7)
8.7 (5.9)
0.609
−0.064
Insulin treatment (%)
3 (2.1)
8 (6.9)
0.053
0.234
5 (3.1)
5 (4.3)
0.624
0.061
AHT (%)
108 (74.5)
92 (79.3)
0.359
0.114
109 (76.1)
88 (79.0)
0.581
0.069
Duration AHT (year)
9.8 (6.4)
11.1(6.5)
0.077
0.221
10.7 (5.5)
10.7 (5.5)
0.872
0.020
Anti-AHT drugs: >3 (%)
28 (19.3)
19 (16.4)
0.540
−0.097
24 (16.8)
19 (17.3)
0.925
0.011
Dyslipidemia (%)
68 (46.9)
62 (53.4)
0.292
0.131
70 (478.9)
55 (49.5)
0.918
0.012
SAHS (%)
59 (40.7)
40 (34.5)
0.304
−0.128
57 (39.6)
38 (34.0)
0.358
−0.116
Data are mean (SE); BMI: body mass index; EBW: excess body weight; ASA: American Society of Anesthesiologists Score; DM: diabetes mellitus; AHT: arterial hypertension; SAHS: sleep apnea hypopnea syndrome.
