Table 2. Estimates of zero-inflated negative binomial regression for the effect of global payment on Length of stay (LOS) for selected surgeries in Iran .
| Length of Stay (LOS) | ||||||
|
Surgery Name |
Surgery Type (NG/G) |
Age |
Year |
Constant |
LR chi2 |
|
| 1 | Enterolysis of the intestinal obstruction or Duodenostomy or Jejunostomy or volvulus (24) | 2.40161 (P ≥0.001) |
1.00551 (P ≥0.001) |
1.064865 (P ≥0.007) |
1.75e-38 (P ≥0.008) |
71.17 (P ≥0.001) |
| 2 | Appendectomy or peritonitis or both, with or without drainage of abscess (25) | 2.456598 (P ≥0.001) |
1.014452 (P ≥0.001) |
1.006829 (P ≥0.841) |
.000063 (P ≥0.838) |
250.84 (P ≥0.001) |
| 3 | Cholecystectomy with or without Cholangiography or bile duct exploration (27) | 1.789392 (P ≥0.001) |
1.010958 (P ≥0.001) |
1.002493 (P ≥0.897) |
.0528694 (P ≥0.912) |
348.60 (P ≥0.001) |
|
4 |
Unilateral Richter’s inguinal hernia (of any type) with or without hydrocele or spermatocele incision (28) | 2.099989 (P ≥0.0001 |
1.005331 (P ≥0.001) |
.9907593 (P ≥0.752) |
381945.5 (P ≥0.754) |
136.92 (P ≥0.001) |
| 5 | Anterior umbilical hernia of any type (umbilicus, Epigastric, Spiegel) (30) | 1.952088 (P ≥0.001) |
1.007162 (P ≥0.003) |
.9848081 (P ≥0.681) |
2.26e+09 (P ≥0.678) |
86.74 (P ≥0.001) |
| 6 | Delivery by the doctor in any form (no baby bed calculation) (36) | 4.235561 (P ≥0.001) |
1.014003 (P ≥0.012) |
.8977083 (P ≥0.125) |
4.79e+64 (P ≥0.128) |
226.99 (P ≥0.001) |
| 7 | Diagnosis and treatment dilatation and curettage (Non-obstetric) (43) | 2.85028 (P ≥0.001) |
1.014767 (P ≥0.001) |
.9995741 (P ≥0.991) |
.679668 (P ≥0.994) |
179.23 (P ≥0.001) |
| 8 | Complete hysterectomy with or without removing ovaries or Colopurethrocytoscopy (44) | 1.832403 (P ≥0.001) |
1.003617 (P ≥0.009) |
1.004218 (P ≥0.739) |
.0065067 (P ≥0.774) |
470.20 (P ≥0.001) |
| 9 | Unilateral or bilateral ovarian resection with or without cyst in any form (45) | 1.583755 (P ≥0.001) |
1.017271 (P ≥0.001) |
1.079518 (P ≥0.003) |
6.19e-47 (P ≥0.004) |
134.85 (P ≥0.001) |
| 10 | Cesarean section surgery in any way (no baby bed calculation) (47) | 3.122265 (P ≥0.001) |
1.009156 (P ≥0.001) |
.9474979 (P ≥0.001) |
2.27e+32 (P ≥0.001) |
1823.53 (P ≥0.001) |
| 11 | Surgical abortion with or without dilatation and curettage (48) | 2.050119 (P ≥0.001) |
.9982339 (P ≥0.629) |
1.074256 (P ≥0.004) |
6.81e-44 (P ≥0.004) |
161.12 (P ≥0.001) |
| 12 | Total Thyroidectomy (49) | 1.678917 (P ≥0.001) |
1.006047 (P ≥0.005) |
1.080696 (P ≥0.015) |
2.62e-47 (P ≥0.015) |
86.24 (P ≥0.001) |
| 13 | Sub-Total Thyroidectomy (50) | 1.538924 (P ≥0.001) |
1.015557 (P ≥0.001) |
.9991593 (P ≥0.982) |
4.346737 (P ≥0.977) |
88.86 (P ≥0.001) |
| 14 | Remove wires, pins, nails, needles or deep plates (61) | 2.434825 (P ≥0.001) |
1.007004 (P ≥0.001) |
1.053199 (P ≥0.174) |
5.33e-32 (P ≥0.174) |
130.51 (P ≥0.001) |
|
15 |
Diagnostic laparoscopy with or without fulguration of ovarian lesions with or without adhesion and sampling and single or multiple aspirations (82) |
1.614811 (P ≥0.001) |
.9905046 (P ≥0.214) |
.9679076 (P ≥0.631) |
6.75e+19 (P ≥0.629) |
19.46 (P ≥0.0002) |