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Table 1 Analysis of malaria re-testing diagnosis in Yunnan Province from 2013 to 2018

From: Analysis of initial laboratory diagnosis of malaria and its accuracy compared with re-testing from 2013 to 2018 in Yunnan Province, China

Years

No. ID

No. PTD (PTDR)

Re-testing ‘s method

Consistency of MIC & PCR re-testing

Re-testing by MIC

Re-testing by PCR

MIC &

Only

Only

No. MIC & PCR

No. CMPD (CMPDR)

No. MIC

No. MSA (MSAR)

No. PCR

No. RSA (RSAR)

PCR

MIC

PCR

(CR)

(CR)

(CR)

2013

624

588

550

22

16

550

517

572

512

566

507

(94.2)

(93.5)

(3.8)

(2.7)

(94.0)

(89.5)

(89.6)

2014

584

556

542

12

2

542

510

554

508

544

495

(95.2)

(97.5)

(2.2)

(0.3)

(94.1)

(91.7)

(91.0)

2015

659

619

591

15

13

591

578

606

564

604

553

(93.9)

(95.5)

(2.4)

(2.1)

(97.8)

(93.1)

(91.6)

2016

428

414

408

5

1

408

391

413

382

409

376

(96.7)

(98.6)

(1.2)

(0.2)

(95.8)

(92.5)

(91.9)

2017

346

339

335

4

0

335

333

339

310

335

311

(98.0)

(98.8)

(1.2)

(99.4)

(91.4)

(92.8)

2018

228

226

225

1

0

225

225

226

209

225

207

(99.1)

(99.6)

(0.4)

(100.0)

(92.5)

(92.0)

Total

2869

2742

2651

59

32

2651

2554

2710

2485

2683

2449

(95.6)

(96.7)

(2.2)

(1.1)

(96.3)

(91.7)

(91.3)

χ2,

P

,

19.925

0.001

    

37.625

< 0.0001

 

5.646

0.342

 

3.562,

0.614

  1. ID Initial diagnosis, undertaken by county laboratory, CR Constituent ratio, PTD re-testing diagnosis, undertaken by YPMDRL, MIC Microscopy test, CMPD The Consistency of MIC & PCR re-testing by YPMDRL for assessment the stability of two re-testing tests, CMPDR The rate of CMPD; MSA Microscopy test species accuracy comparison ID with PTD for assessment the accuracy of microscopic examination in county-level laboratories, MSAR Microscopy test species accuracy rate, RSA PCR test species accuracy comparison ID with PTD for assessment the accuracy of microscopic examination in county-level laboratories; RSAR PCR test species accuracy rate