Table 1 Patient demographics with comorbidities before and after propensity matching.
From: Full-endoscopic spine-surgery in the elderly and patients with comorbidities
Variable | Unadjusted | Propensity-matched | ||||
|---|---|---|---|---|---|---|
CCI 0–2 (n = 329) | CCI ≥ 3 (n = 256) | p-value | CCI 0–2 N = 206 | CCI ≥ 3 N = 206 | ||
Sex | > 0.99 | > 0.99 | ||||
Male | 200 (60.8%) | 156 (60.9%) | 122 (59.2%) | 122 (59.2%) | ||
Female | 129 (39.2%) | 100 (39.1%) | 84 (40.8%) | 84 (40.8%) | ||
Race | 0.03 | > 0.99 | ||||
White | 296 (90%) | 243 (94.9%) | 203 (98.5) | 203 (98.5) | ||
Asian | 15 (4.6%) | 8 (3.1%) | 3 (1.5%) | 3 (1.5%) | ||
African American | 10 (3%) | 2 (0.8%) | 0 (0%) | 0 (0%) | ||
Others | 8 (2.4%) | 3 (1.2%) | 0 (0%) | 0 (0%) | ||
BMI | 30.1 (6.63) | 29.8 (5.6) | 0.97 | 29.8 (6.4) | 29.7 (5.3) | 0.96 |
Obese | 133 (40.4%) | 100 (39.1%) | 80 (38.8%) | 80 (38.8%) | ||
Non-obese | 196 (59.6%) | 156 (60.9%) | 126 (61.2%) | 126 (61.2%) | ||
Operated levels | < 0.01 | 0.87 | ||||
1 | 275 (83.6%) | 173 (67.6%) | 165 (80.1%) | 165 (80.1%) | ||
2 | 51 (15.5%) | 74 (28.9%) | 40 (19.4%) | 40 (19.4%) | ||
3 | 2 (0.6%) | 7 (2.7%) | 1 (0.5%) | 1 (0.5%) | ||
4 | 1(0.3%) | 2 (0.8%) | 0 (0%) | 0 (0%) | ||
Surgery | < 0.01 | 0.97 | ||||
Discectomy | 176 (53.5%) | 73 (28.5%) | 66 (32%) | 66 (32%) | ||
Decompression | 153 (46.5%) | 183 (71.5%) | 140 (68%) | 140 (68%) | ||
Age | 48.8 (13.0) | 69.4 (10.3) | < 0.01 | 51.2 | 69.3 | < 0.01 |
Comorbidities | ||||||
Smoking | 79 (24.1%) | 39 (15.2%) | 0.01 | 52 (25%) | 29 (14,1%) | 0.71 |
COPD | 4 (1.2%) | 13 (5.1%) | 0.01 | 3 (1,4%) | 12 (5,8%) | 0.01 |
Hypertension | 102 (31.0%) | 180 (70.3%) | < 0.01 | 69 (33.2%) | 139 (67.5%) | < 0.01 |
Depression | 87 (26.4%) | 48 (18.8%) | 0.03 | 51 (24.5%) | 40 (19.4%) | 0.01 |
CHF | 4 (1.2%) | 13 (5.1%) | 0.01 | 1 (0.5%) | 8 (3.9%) | 0.02 |
Diabetes | 34 (10.3%) | 76 (29.7%) | < 0.01 | 12 (5.8%) | 58 (28.2%) | < 0.01 |
No. comorbidities | 3.03 (2.87) | 6.2 (4.3) | < 0.01 | 3.21 | 6.02 | < 0.01 |
