# A Epidemiological Survey of Preoperative Pain Perception and Postoperative Pain in Chinese Population

> **NCT01750047** · — · COMPLETED · sponsor: **Xianwei Zhang** · enrollment: 1327 (actual)

## Conditions studied

- Pain
- Surgery

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01750047
- **Lead sponsor:** Xianwei Zhang
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-10
- **Primary completion:** 2014-04
- **Final completion:** 2014-04
- **Target enrollment:** 1327 (ACTUAL)
- **Last updated:** 2014-09-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01750047

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01750047, "A Epidemiological Survey of Preoperative Pain Perception and Postoperative Pain in Chinese Population". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT01750047. Licensed CC0.

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