Effect of perioperative disinfection and isolation measures in infection control after gastrointestinal surgery: A retrospective analysis

Table 2 Laboratory test results

Indicators	Observation group (n = 48)	Control group (n = 48)	P value	t
WBC on postoperative day 1, × 109/L	9.25 ± 1.14	12.04 ± 1.55	< 0.001	10.046
WBC on postoperative day 3, × 109/L	7.82 ± 1.03	11.02 ± 1.47	< 0.001	12.352
WBC on postoperative day 7, × 109/L	6.41 ± 0.85	9.67 ± 1.13	< 0.001	15.973
CRP on postoperative day 1, mg/L	4.83 ± 1.52	11.03 ± 2.06	< 0.001	16.779
CRP on postoperative day 3, mg/L	3.52 ± 1.06	9.52 ± 2.51	< 0.001	15.257
CRP on postoperative day 7, mg/L	2.50 ± 0.73	6.19 ± 1.55	< 0.001	14.922

P < 0.05 indicates a statistically significant difference. WBC: White blood cell; CRP: C-reactive protein.