Table 1 Demographic and preoperative characteristics of patients who underwent cholecystectomy due to cholecystits grouped by NLR
Total patients | NLR <3 | NLR ≥3 | p-value | |
|---|---|---|---|---|
(n =632) | (n =376) | (n =256) | ||
Age, years | 55.18 (13 – 91) | 53.48 (17 – 91) | 57.68 (13 – 89) | 0.001 |
Sex | 0.001 | |||
Men | 297 (47.0) | 156 (41.5) | 141 (55.1) | |
Women | 335 (53.0) | 220 (58.5) | 115 (44.9) | |
Body-mass index | 24.51 ± 3.81 | 24.59 ± 3.86 | 24.35 ± 3.72 | 0.445 |
Previous abdominal surgery (%) | 140 (22.2) | 89 (23.7) | 51 (19.9) | 0.284 |
Severity of cholecystitis | < 0.001 | |||
Simple cholecystitis | 503 (79.6) | 342 (91.0) | 161 (62.9) | |
Severe cholecystitis* | 129 (20.4) | 34 (9.0) | 95 (37.1) | |
Content in the gallbladder | 0.122 | |||
No | 121 (19.1) | 64 (17.0) | 57 (22.3) | |
Stone(s) | 511 (80.9) | 312 (83.0) | 199 (77.7) | |
Serum leukocyte count | 7700 | 6200 | 11300 | < 0.001 |
(1500 – 39300) | (2700 – 16500) | (1500 – 39300) | ||
Presence of symptom | 0.038 | |||
Abdominal pain | 586 (92.7) | 342 (91.0) | 244 (95.3) | |
Indigestion (discomfort) | 25 (4.0) | 19 (5.1) | 6 (2.3) | |
Fever/Chill | 7 (1.1) | 3 (0.8) | 4 (1.6) | |
Others | 14 (2.2) | 12 (3.2) | 2 (0.8) | |
Admission route | < 0.001 | |||
ED | 280 (44.3) | 120 (31.9) | 160 (62.5) | |
Outpatient clinic | 352 (55.7) | 256 (68.1) | 96 (37.5) | |
Time to incision | 0.497 | |||
Mean ± SD | 35.1 ± 27.0 | 34.5 ± 26.9 | 36.0 ± 27.2 | |
Median (range) | 23.0 (1 – 120) | 22.0 (1 – 120) | 24.0 (2 – 119) |