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Table 6 Analysis of the postoperative risk factors (early detection) of AL

From: The assessment of perioperative risk factors of anastomotic leakage after intestinal surgeries; a prospective study

mean ± SD Non_leakage group Leakage group P value
HR (B/min)
1st POD 96.04 ± 15.74 95.73 ± 13.56 p = 0.274
2nd POD 95.52 ± 10.38 97.42 ± 15.63 p = 0.141
3rd POD 93.71 ± 11.17 103.63 ± 7.94 p = 0.038*
4th POD 90.26 ± 6.86 105.91 ± 8.12 p = 0.011*
RR (cycle /min)
1st POD 20.73 ± 1.86 21.37 ± 1.56 p = 0.483
2nd POD 19.62 ± 0.38 21.87 ± 1.63 p = 0.137
3rd POD 19.02 ± 0.25 23.64 ± 1.85 p = 0.025*
4th POD 18.38 ± 0.47 26.38 ± 0.95 p < 0.001**
CRP (mg/L)
1st POD 35.63 ± 9.86 85.97 ± 21.56 p < 0.001**
2nd POD 81.97 ± 19.38 120.46 ± 31.02 p < 0.001**
3rd POD 107.02 ± 27.25 200.73 ± 44.2 p < 0.001**
4th POD 104.36 ± 28.47 205.27 ± 49.87 p < 0.001**
  AUC Cut off point P value Sensitivity (%) Specificity (%) Accuracy (%)
RR 0.921 29 0.001* 83 92 89
HR 0.895 118 0.002* 74 87 85
CRP 0.872 184.7 0.009* 82 88 85
  1. *significant p value < 0.05; **highly significant p value < 0.001