31 May 2022: Clinical Research
A Retrospective Study from 2 Tertiary Hospitals in China to Evaluate the Risk Factors for Surgical Site Infections After Abdominal Hysterectomy in 188 Patients
Dong Wang 1ABCDEF , Yanhua Chen 2ABCDEF* , Jianjun Deng 13ABCDG* , Guoguang Xiao 1BCD , Yaru Li 1BCD , Lin Lin 4BCD , Yun You 5BCDDOI: 10.12659/MSM.936198
Med Sci Monit 2022; 28:e936198
Table 3 Single-factor analysis of possible high-risk factors for surgical site infections in patients after abdominal hysterectomy.
| Not infected (n=94) | Infected (n=94) | χ2/Z | P | ||
|---|---|---|---|---|---|
| Age | >50 | 35 (58.33%) | 25 (41.67%) | 2.448 | 0.118 |
| ≤50 | 59 (46.09%) | 69 (53.91%) | |||
| Body mass index* | 23.44 (21.92~25.02) | 24.63 (21.93~26.59) | −2.183 | 0.029** | |
| Heart disease | Yes | 2 (66.67%) | 1 (33.33%) | 0.339 | 0.561 |
| No | 92 (49.73%) | 93 (50.27%) | |||
| Hypertension | Yes | 12 (52.17%) | 11 (47.83%) | 0.050 | 0.824 |
| No | 82 (49.70%) | 83 (50.30%) | |||
| Diabetes mellitus | Yes | 2 (18.18%) | 9 (81.82%) | 4.731 | 0.030** |
| No | 92 (51.98%) | 85 (48.02%) | |||
| Cancer | Yes | 61 (43.57%) | 79 (56.43%) | 9.064 | 0.003** |
| No | 33 (68.75%) | 15 (31.25%) | |||
| Malnutrition | Yes | 0 (0.00%) | 2 (100.00%) | 2.022 | 0.155 |
| No | 94 (49.46%) | 92 (50.54%) | |||
| Anemia | Yes | 15 (42.86%) | 20 (57.14%) | 0.878 | 0.349 |
| No | 79 (51.63%) | 74 (48.37%) | |||
| Hypoproteinemia | Yes | 0 (0.00%) | 4 (100.00%) | 4.087 | 0.043** |
| No | 94 (51.09%) | 90 (48.91%) | |||
| Preoperative white blood cell count* | 6.4 (5.20~7.73) | 6.9 (5.70~8.25) | −1.563 | 0.118 | |
| Preoperative haemoglobin level* | 129 (117.75~138.00) | 127.50 (113.75~136.00) | −0.720 | 0.472 | |
| Surgical wound classification | Class III | 0 (0.00%) | 3 (100.00%) | 3.049 | 0.081** |
| Class II | 94 (50.81%) | 91 (49.19%) | |||
| Preoperative skin preparation | Yes | 94 (50.81%) | 91 (49.19%) | 3.049 | 0.081** |
| No | 0 (0.00%) | 3 (100.00%) | |||
| Preoperative chemotherapy | Yes | 9 (27.27%) | 24 (72.73%) | 8.270 | 0.004** |
| No | 85 (54.84%) | 70 (45.16%) | |||
| Prior abdominal surgery | Yes | 17 (44.74%) | 21 (55.26%) | 0.528 | 0.468 |
| No | 77 (51.33%) | 73 (48.67%) | |||
| High-dose antibiotic therapy before surgery | Yes | 0 (0.00%) | 1 (100.00%) | 1.005 | 0.316 |
| No | 94 (50.27%) | 93 (49.73%) | |||
| Length of incision* | 15.00 (10.00~20.00) | 20.00 (15.00~20.00) | −3.950 | ** | |
| Blood loss | >500 ml | 21 (34.43%) | 40 (65.57%) | 8.761 | 0.003** |
| ≤500ml | 73 (57.48%) | 54 (42.52%) | |||
| Duration of surgery | >3 hours | 45 (36.29%) | 79 (63.71%) | 27.385 | ** |
| ≤3 hours | 49 (76.56%) | 15 (23.44%) | |||
| Necessity of a second surgery | Yes | 0 (0.00%) | 4 (100.00%) | 4.087 | 0.043** |
| No | 94 (51.09%) | 90 (48.91%) | |||
| Wound drainage tube insertion | Yes | 48 (37.21%) | 81 (62.79%) | 26.899 | ** |
| No | 46 (77.97%) | 13 (22.03%) | |||
| Delayed suture to close the wound | Yes | 0 (0.00%) | 4 (100.00%) | 4.087 | 0.043** |
| No | 94 (51.09%) | 90 (48.91%) | |||
| * Non-normal distribution after normality test; ** | |||||