Table 1 Characteristics of sample and laparoscopic bariatric surgery (LBS) rate by socioeconomic status (SES) groups in Taiwan
SES | P value | |||
|---|---|---|---|---|
High (N = 745) | Medium (N = 1705) | Low (N = 1228) | ||
n (%) | n (%) | n (%) | ||
Bariatric procedures | <0.001 | |||
LBS | 656 (88.1) | 1443 (84.6) | 985 (80.2) | |
OBS | 89 (11.9) | 262 (15.4) | 243 (19.8) | |
Patient characteristics | ||||
Age (years), mean (SD) | 35.7 (9.2) | 32.7 (9.3) | 31.8 (9.0) | <0.001 |
18–29 | 206 (27.6) | 753 (44.2) | 596 (48.5) | <0.001 |
30–39 | 304 (40.8) | 589 (34.5) | 395 (32.2) | |
40–49 | 163 (21.9) | 242 (14.2) | 179 (14.6) | |
≥ 50 | 72 (9.7) | 121 (7.1) | 58 (4.7) | |
Gender | <0.001 | |||
Male | 358 (48.0) | 623 (36.5) | 496 (40.4) | |
Female | 387 (52.0) | 1082 (63.5) | 732 (59.6) | |
Geographic location | <0.001 | |||
Northern | 578 (77.6) | 1140 (66.9) | 823 (67.0) | |
Central | 59 (7.9) | 248 (14.5) | 216 (17.6) | |
Southern | 92 (12.3) | 281 (16.5) | 166 (13.5) | |
Eastern | 16 (2.2) | 36 (2.1) | 23 (1.9) | |
CCI score | ||||
< 3 | 679 (91.1) | 1578 (92.5) | 1109 (90.3) | 0.091 |
≥ 3 | 66 (8.9) | 127 (7.5) | 119 (9.7) | |
Comorbiditya | ||||
Diabetes mellitus | 168 (22.6) | 309 (18.1) | 213 (17.4) | 0.011 |
Dyslipidemia | 138 (18.5) | 352 (20.7) | 247 (20.1) | 0.481 |
Hypertension | 248 (33.3) | 466 (27.3) | 300 (24.4) | <0.001 |
Obstructive sleep apnea | 68 (9.1) | 124 (7.3) | 81 (6.6) | 0.109 |
Hospital accreditation | 0.015 | |||
Medical centers | 150 (20.1) | 371 (21.8) | 313 (25.5) | |
Regional hospitals | 582 (78.1) | 1286 (75.4) | 881 (71.7) | |
District hospitals | 13 (1.8) | 48 (2.8) | 34 (2.8) | |
Surgeon age (years), mean (SD) | 46.3 (7.1) | 46.9 (7.3) | 46.6 (7.4) | 0.203 |
Surgeon volume (cases per year) | <0.001 | |||
High (≥15) | 524 (70.3) | 1061 (62.2) | 722 (58.8) | |
Low (<15) | 221 (29.7) | 644 (37.8) | 506 (41.2) | |
Year of operation | 0.007 | |||
2004 | 54 (7.2) | 122 (7.2) | 104 (8.5) | |
2005 | 54 (7.2) | 134 (7.9) | 114 (9.3) | |
2006 | 38 (5.2) | 128 (7.5) | 86 (7.0) | |
2007 | 59 (7.9) | 197 (11.5) | 112 (9.1) | |
2008 | 104 (14.0) | 227 (13.3) | 145 (11.8) | |
2009 | 91 (12.2) | 225 (13.2) | 175 (14.2) | |
2010 | 180 (24.2) | 330 (19.3) | 227 (18.5) | |
2011 | 165 (22.1) | 342 (20.1) | 265 (21.6) | |