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Table 5 The postponement of case investigation in different types of county in Yunnan Province, January 2013-June 2014

From: China’s 1-3-7 surveillance and response strategy for malaria elimination: Is case reporting, investigation and foci response happening according to plan?

Type of county Total cases Case investigation
≤3 days >3 days
No (%) No (%) Days of delay (Median)
Type 1 299 280 (94) 19 (6) 5
Type 2 228 212 (93) 16 (7) 5
Type 3 49 47 (96) 2 (4) 6
Total 576 539 (94) 37 (6) 5
  1. χ 2 = 0.583, P = 0.747