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Table 3 Chi-square test for in-hospital mortality among patients admitted to the surgery ward of JUMC, Ethiopia

From: Predictors of prolonged length of hospital stay and in-hospital mortality among adult patients admitted at the surgical ward of Jimma University medical center, Ethiopia: prospective observational study

Predictor Variables Categories The outcome variable (in-hospital death) p-value
No (%) Yes (%)
Sex Male 174 (97.2) 5 (2.8) 0.036
Female 82 (91.1) 8 (8.9)
Age age of 18 to 40 142 (94.0) 9 (6.0) 0.329
age of > 40 114 (96.6) 4 (3.4)
Residence Rural 143 (96.0) 6 (4.0) 0.492
Urban 113 (94.2) 7 (5.8)
Smoking status No 226 (95.4) 11 (4.6) 0.658
Yes 30 (93.8) 2 (6.2)
ASA class ASA class I-II 198 (96.1) 8 (3.9) 0.191
ASA class III-IV 58 (92.1) 5 (7.9)
Co-morbid condition No 156 (98.1) 3 (1.9) 0.007
Yes 100 (90.9) 10 (9.1)
type of admission Elective 136 (98.6) 2 (1.4) 0.008
Emergency 120 (91.6) 11 (8.4)
CDC wound class class I 48 (100) 0 (0) 0.134
class II-IV 208 (94.1) 13 (5.9)
Poly-pharmacy status No 221 (97.4) 6 (2.6) 0.001
Yes 35 (83.3) 7 (16.7)
Charlson CI CCI of 0 (no co-morbid) 91 (93.8) 6 (6.2) 1.00
CCI of > 1 (yes co-morbid) 165 (95.9 7 (4.1)
Amount of blood loss during surgery <  1500 ml 150 (96.8) 5 (3.2) 0.187
≥1500 ml 3 (75.0) 1 (25.0)
unknown (not recorded) 103 (93.6) 7 (6.4)
Overall LOS ≤ 7 days 37 (94.9) 2 (5.1) 1.00
>  7 days 219 (95.2) 11 (4.8)
After surgery LOS ≤ 7 days 65 (95.6) 3 (4.4) 1.00
> 7 days 191 (95.0) 10 (5.0)
Before surgery LOS ≥7 days 187 (94.4) 11 (5.6) 0.524
>  7 days 69 (97.2) 2 (2.8)
duration of surgery ≤1 h 81 (95.3) 4 (4.7) 0.994
>  1 h 133 (95.0) 7 (5.0)
Not recorded 42 (95.5) 2 (4.5)
Right selection + dose + timing + duration + route of SAP All criteria correct 47 (88.7) 6 (11.3) 0.025
At least one criteria not correct 209 (96.8) 7 (3.2)
Total number of antibiotic exposure ≤ 2 antibiotic exposure 200 (97.1) 6 (2.9) 0.015
> 2 antibiotic exposure 56 (88.9) 7 (11.1)
HAP No 251 (95.8) 11 (4.2) 0.329
Yes 5 (71.4) 2 (28.6)
Sepsis No 247 (96.9) 8 (3.1) < 0.0001
Yes 9 (64.3) 5 (35.7)
SSI No 213 (95.1) 11 (4.9) 1.00
Yes 43 (95.6) 2 (4.4)
  1. LOS length of hospital stay, HAP hospital-acquired pneumonia, SAP surgical antimicrobial prophylaxis