Predictor Variables | Categories | The outcome variable (PLOS) >  75th percentile (≥33 days) | **p-value | *p-value | |
---|---|---|---|---|---|
No (%) | Yes (%) | ||||
Sex | Male | 146 (81.6) | 33 (18.4) | 0.169 | 0.000 |
Female | 55 (61.1) | 35 (38.9) | |||
Place of residence | Rural | 110 (73.8) | 39 (26.2) | 0.547 | 0.706 |
Urban | 91 (75.8) | 29 (24.2) | |||
Level of monthly income | no constant income | 33 (70.2) | 14 (29.8) | 0.291 | 0.396 |
<  1500 | 67 (70.5) | 28 (29.5) | |||
1500–6000 | 81 (79.4) | 21 (20.6) | |||
>  6000 | 20 (80.0) | 5 (20.0) | |||
Smoking status | No | 173 (73.0) | 64 (27.0) | 0.522 | 0.076 |
Yes | 28 (87.5) | 4 (12.5) | |||
Health care cost coverage | Self | 171 (76.7) | 52 (23.3) | 0.023 | 0.103 |
Free (gov’t) | 30 (65.2) | 16 (34.8) | |||
Co-morbid condition | No | 117 (73.6) | 42 (26.4) | 0.443 | 0.606 |
Yes | 84 (76.4) | 26 (23.6) | |||
Burn-related surgery | No | 194 (76.1) | 61 (23.9) | 0.043 | 0.036 |
Yes | 7 (50) | 7 (50) | |||
Presence of cancer | No | 173 (77.6) | 50 (22.4) | 0.028 | 0.018 |
Yes | 28 (60.9) | 18 (39.1) | |||
Presence of trauma | No | 160 (72.4) | 61 (27.6) | 0.873 | 0.060 |
Yes | 41 (85.4) | 7 (14.6) | |||
Presence of any chronic disease | No | 154 (73.3) | 56 (26.7) | 0.221 | 0.323 |
Yes | 47 (79.7) | 12 (20.3) | |||
Type of admission | Elective | 95 (68.8) | 43 (31.2) | 0.864 | 0.023 |
Emergency | 106 (80.9) | 25 (19.1) | |||
Poly-pharmacy | No | 169 (74.4) | 58 (25.6) | 0.861 | 0.811 |
Yes | 32 (76.2) | 10 (23.8) | |||
In-hospital SSI | No | 173 (77.2) | 51 (22.8) | 0.244 | 0.035 |
Yes | 28 (62.2) | 17 (37.8) | |||
In-hospital sepsis | No | 191 (74.9) | 64 (25.1) | 0.366 | 0.771 |
Yes | 10 (71.4) | 4 (28.6) | |||
HAP | No | 196 (74.8) | 66 (25.2) | 0.887 | 1 |
Yes | 5 (71.4) | 2 (28.6) | |||
Age (years) | 18 to 40 | 115 (76.2) | 36 (23.8) | 0.188 | 0.539 |
>  40 | 86 (72.9) | 32 (27.1) | |||
Duration of surgery (hrs.) | ≤ 1 | 57 (67.1) | 28 (32.9) | 0.391 | 0.083 |
>  1 | 107 (76.4) | 33 (23.6) | 0.678 | ||
Not recorded | 37 (84.1) | 7 (15.9) | 0.172 | ||
Appropriate use of SAP | Yes | 35 (66.0) | 18 (34.0) | 0.404 | 0.105 |
No | 166 (76.9) | 50 (23.1) | |||
Total number of antibiotic exposure | ≤ 2 antibiotic exposure | 165 (80.1) | 41 (19.9) | 0.017 | 0.000 |
> 2 antibiotic exposure | 36 (57.1) | 27 (42.9) | |||
ASA class | I to II | 150 (72.8) | 56 (27.2) | 0.499 | 0.193 |
III to IV | 51 (81.0) | 12 (19.0) | |||
CDC wound class | I | 34 (70.8) | 14 (29.2) | 0.047 | 0.494 |
II to IV | 167 (75.6) | 54 (24.4) | |||
Charlson CI score | Zero | 70 (72.2) | 27 (27.8) | 0.303 | 0.469 |
>  1 | 131 (76.2) | 41 (23.8) | |||
Before surgery LOS (days) | ≤ 7 | 163 (82.3) | 35 (17.7) | 0.000 | 0.000 |
>  7 | 38 (53.5) | 33 (46.5) | |||
Number of co-morbidity | Zero | 117 (73.6) | 42 (26.4) | Â | 0.626 |
1 to 2 | 76 (77.6) | 22 (22.4) | 0.248 | ||
≥ 3 | 8 (66.7) | 4 (33.3) | 0.248 |