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Table 2 Seasonal factors (%) for the active PTB registration rates from 2007 to 2019 in Henan Province, China

From: Analysis and predication of tuberculosis registration rates in Henan Province, China: an exponential smoothing model study

Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sept. Oct. Nov. Dec.
Seasonal factors 86.6 83.0 117.9 113.6 112.5 109.7 97.9 95.9 93.1 94.2 99.3 96.3
  1. PTB Pulmonary tuberculosis