Research Article

Risk Factors for Moderate to Severe Pain during the First 24 Hours after Laparoscopic Bariatric Surgery While Receiving Intravenous Patient-Controlled Analgesia

Table 3

Pain and analgesic data during intraoperative, PACU, and postoperative periods.

DataNo or mild pain (NRS 0–3; n = 25)Moderate to severe pain (NRS 4–10; n = 72) value

Intraoperative
Intraoperative morphine (mg)19.56 ± 5.3920.62 ± 6.430.463
Intraoperative NSAIDs4 (16%)9 (12.5%)0.735
Multimodal analgesia7 (28.0%)27 (37.5%)0.391
PACU
NRS >3 on arrival14 (56%)55 (76.4%)0.053
PACU morphine (mg)1.18 ± 1.801.69 ± 2.220.305
PACU NSAIDs1 (4%)8 (11.1%)0.439
Inadequate pain control at PACU discharge4 (16.0%)32 (44.4%)0.011
Postoperative
Demand-to-delivery ratio2.08 ± 1.791.89 ± 0.970.523
Demand-to-delivery ratio >1.3514 (56.0%)45 (62.5%)0.566
Postoperative NSAIDs4 (16.0%)24 (33.3%)0.099

indicates statistical significance. Values are given as n (%) or mean ± standard deviation. Abbreviations: PACU, postanesthesia care unit; NRS, numeric rating scale; NSAIDs, nonsteroidal anti-inflammatory drugs.