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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