Table 5 Propensity score matching between the new and taping catheter groups
Unadjusted values | After propensity score matching | ||||||
|---|---|---|---|---|---|---|---|
New group | Taping group | P-value | New group | Taping group | P-value | SMD | |
(n = 181) | (n = 375) | (n = 162) | (n = 162) | ||||
Age (years) | 56.6 (15.5) | 64.0 (14.3) | < 0.001 | 58.5 (14.9) | 58.2 (14.5) | 0.853 | 0.021 |
Sex (male) | 49 (27.1%) | 191 (50.9%) | < 0.001 | 49 (30.2%) | 57 (35.2%) | 0.407 | 0.105 |
Height (cm) | 159.5 (7.7) | 160.0 (9.0) | 0.543 | 159.3 (8.0) | 160.4 (8.3) | 0.204 | 0.141 |
Weight (kg) | 59.6 (12.3) | 59.7 (12.2) | 0.956 | 59.0 (12.1) | 59.2 (12.2) | 0.894 | 0.015 |
BMI (kg/m2) | 23.4 (4.0) | 23.3 (4.0) | 0.782 | 23.3 (3.8) | 23.0 (4.3) | 0.660 | 0.049 |
ASA-PS | |||||||
1 | 40 (22.1%) | 58 (15.5%) | 0.037 | 34 (21.0%) | 30 (18.5%) | 0.519 | 0.130 |
2 | 122 (67.4%) | 253 (67.5%) | 109 (67.3%) | 118 (72.8%) | |||
3 | 19 (10.5%) | 64 (17.1%) | 19 (11.7%) | 184(8.6%) | |||
Surgery type | |||||||
Abdominal | 62 (34.3%) | 189 (50.4%) | N/A | 61 (37.7%) | 69 (42.6%) | 0.003 | 0.473 |
Breast | 5 (2.8%) | 5 (1.3%) | 2 (1.2%) | 4 (2.5%) | |||
Gynecology | 73 (40.3%) | 36 (9.6%) | 58 (35.8%) | 27 (16.7%) | |||
Lower orthopedic | 19 (10.5%) | 67 (17.9%) | 19 (11.7%) | 32 (19.8%) | |||
Thoracic | 12 (6.6%) | 42 (11.2%) | 12 (7.4%) | 18 (11.1%) | |||
Urology | 10 (5.5%) | 36 (9.6%) | 10 (6.2%) | 12 (7.4%) | |||
Interspace level | |||||||
A: Th3/4-Th7/8 | 15 (8.3%) | 48 (12.8%) | 0.043 | 14 (8.6%) | 22 (13.6%) | 0.112 | 0.237 |
B: Th8/9-Th12/L1 | 143 (79.0%) | 258 (68.8%) | 125 (77.2%) | 108 (66.7%) | |||
C: L1/2-L4/5 | 23 (12.7%) | 69 (18.4%) | 23 (14.2%) | 32 (19.8%) | |||
Removal method | |||||||
Scheduled | 171 (94.5%) | 374 (99.7%) | < 0.001 | 152 (93.8%) | 162 (100%) | 0.002 | 0.363 |
Disconnection | 10 (5.5%) | 1 (0.3%) | 10 (6.2%) | 0 (0%) | |||