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Table 2 Comparison of epidemiological linked exposures of enrolled PUE cases reported to the surveillance officer versus documented in the medical record

From: Lessons from an active surveillance pilot to assess the pneumonia of unknown etiology surveillance system in China, 2016: the need to increase clinician participation in the detection and reporting of emerging respiratory infectious diseases

Relevant Exposures

Surveillance Officer Interviewed Patients

(N = 303)

Documented in Medical Record by Clinicians

(N = 311)

p

value

Yes

N (%, 95 CI*)

No

N

Not Documented

N(%, 95 CI)

Documented “Yes”

N

Documented “No”

N

 

Had animal exposure** in 14 days before illness onset

62 (20, 16–25)

241

292 (94, 91–96)

0

19

0.03

Had close contact with similar cases of respiratory diseases

58 (19, 15–24)

245

296 (95, 92–97)

9

6

< 0.01

History of seeing a doctor in a medical institution with respiratory communicable diseases cases

58 (19, 15–24)

245

281 (90, 87–93)

13

17

< 0.01

History of traveling to or living in areas of novel respiratory epidemics

0

303

258 (83, 78–87)

0

53

Case works with poultry/livestock

3 (1, 0.3–2.9)

300

22 (7, 5–10)

2

287

1.00

Case is health care worker

3 (1, 0.3–2.9)

300

22 (7, 5–10)

0

289

0.25

Case is laboratory staff

0 (0, 0–1.3)

303

22 (7, 5–10)

2

287

0.24

Any contact with parasites-infected water

Not asked

Not asked

137 (44, 38–50)

0

174

  1. *CI refers to Confidence Interval
  2. **Exposure to poultry, pigs, et al.