Table 2 Comparison of study variables between the two target outcomes of interest (OOI) groups. BMI: Body-Mass-Index; ASA: American Society of Anesthesiologists risk classification score; CRP: C-reactive protein; LOS: length of hospital stay
From: Clinical and radiomics feature-based outcome analysis in lumbar disc herniation surgery
OOI | |||||||
|---|---|---|---|---|---|---|---|
Normal | Worse | ||||||
Mean ± std | Count (%) | Mean ± std | Count (%) | p-value | |||
Age | 58 (17) | 69 (11) | 0.004 | ||||
Sex | m | 80 (52.6) | 11 (55.0) | 0.040 | |||
w | 72 (47.4) | 9 (45.0) | |||||
BMI | 28 (6) | 29 (6) | 0.515 | ||||
Nicotine | no | 108 (71.1) | 15 (75.0) | 0.713 | |||
yes | 44 (28.9) | 5 (25.0) | |||||
Alcohol | no | 99 (65.1) | 11 (55.0) | 0.787 | |||
yes | 53 (34.9) | 9 (45.0) | |||||
Insurance type | private | 35 (23.0) | 8 (40.0) | 0.099 | |||
non-private | 117 (77.0) | 12 (60.0) | |||||
ASAS core | 1 | 50 (32.9) | 5 (25.0) | 0.504 | |||
2 | 90 (59.2) | 12 (60.0) | |||||
3 | 12 (7.9) | 3 (15.0) | |||||
Preoperative CRP | 7 (23) | 32 (69) | 0.015 | ||||
Surgical technique | microsurgical | 97 (63.8) | 15 (75.0) | 0.973 | |||
full-endoscopic | 55 (36.2) | 5 (25.0) | |||||
LOS | 12 (8) | 22 (9) | < 0.001 | ||||
Operation time | 56 (36) | 95 (44) | < 0.001 | ||||
Complications | no | 121 (79.6) | 0 (0.0) | < 0.001 | |||
yes | 31 (20.4) | 20 (100.0) | |||||
Years of Experience with case surgery type | 7 (4) | 6 (5) | 0.192 | ||||
Number of surgeries with case surgery type at time of surgery | 317 (469) | 428 (599) | 0.922 |