Incidence of life-threatening respiratory events after laparoscopic colon surgery with or without continuous respiratory rate monitoring

JA Clinical Reports

Table 4 Postoperative analgesia and outcomes of study patients

Variable	Respiratory rate monitoring (n = 69)	Traditional monitoring (n = 126)	P value
EPCA	29/69	104/126	< 0.001
IVPCA	26/69	19/126	0.001
Total fentanyl used (μg)	967 [0–6942]	836 [0–3000]	0.045
Life-threatening respiratory events	0/69	2/126	0.54
Incidence of RD	12/69	Not available
Incidence of desaturation	17/69	Not available
Mortality	0/69	2/126	0.535
Hospitalization period	8 [1–83]	10 [3–53]	0.001

EPCA epidural patient-controlled analgesia, IVPCA intravenous patient-controlled analgesia, RD respiratory depression