Table 1 Patient demographics.
Category | Number |
|---|---|
Sex | |
Male | 3076 (49%) |
Female | 3224 (51%) |
Diagnosis | |
Lumbar disc herniation | 1739 (28%) |
Lumbar spinal stenosis without spondylolisthesis | 466 (7%) |
Lumbar spinal stenosis with spondylolisthesis | 3840 (61%) |
Lumbar spondylolysis | 255 (4%) |
Surgical method | |
Open discectomy | 2696 (43%) |
PELD | 242 (4%) |
Fusion | 2433 (39%) |
Laminectomy | 929 (14%) |
Age, years | |
40 ~ 49 | 908 (14%) |
50 ~ 59 | 2007 (32%) |
60 ~ 69 | 2272 (36%) |
70 ~ 79 | 1047 (17%) |
80 ~ | 66 (1%) |
Residence | |
Seoul | 940 (15%) |
Pusan | 356 (6%) |
Daegu | 248 (4%) |
Incheon | 330 (4%) |
Gwangju | 204 (3%) |
Daejeon | 224 (4%) |
Ulsan | 161 (3%) |
Gyeonggi-do | 1212 (19%) |
Gangwon-do | 244 (4%) |
Chungbuk-do | 237 (4%) |
Chungnam-do | 420 (7%) |
Jeonbuk-do | 371 (6%) |
Jeonnam-do | 420 (7%) |
Gyeongbuk-do | 441 (7%) |
Gyeongnam-do | 433 (6%) |
Jeju-do | 59 (1%) |
Insuracne eligibility | |
1 | 1254 (19%) |
2 | 861 (17%) |
5 | 1211 (18%) |
6 | 2834 (44%) |
7 | 111 (1.5%) |
8 | 29 (0.5%) |
Health insurance premium | |
Medical benefit | 140 (2%) |
1 | 392 (6%) |
2 | 365 (6%) |
3 | 384 (6%) |
4 | 479 (8%) |
5 | 480 (8%) |
6 | 625 (10%) |
7 | 645 (10%) |
8 | 727 (11%) |
9 | 981 (15%) |
10 | 1082 (18%) |
BMI, kg/m2 | |
< 20 | 345 (5%) |
20 < < 25 | 3320 (52%) |
25 < | 2635 (43%) |
Smoking | |
Yes | 1158 (18%) |
No | 5142 (82%) |
Alcohol drinking | |
Yes | 2194 (35%) |
No | 4106 (65%) |
Exercise | |
1 | 3737 (59%) |
2 | 1846 (29%) |
3 | 717 (12%) |
CCI | |
0 | 1650 (26%) |
1–2 | 3258 (51%) |
≥ 3 | 1392 (23%) |
Blood sugar (mg/dl) | 100.49 ± 30.43 |
Total Cholesterol (mg/dl) | 202.15 ± 38.14 |
Hemoglobin (g) | 13.78 ± 1.44 |