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Table 4 Pulmonary function test results from the 4 follow-up examinations of 40 convalescent SARS patients ( ± SD)

From: Dynamic changes of serum SARS-Coronavirus IgG, pulmonary function and radiography in patients recovering from SARS after hospital discharge

Follow-up*

VC(% pred)

FEV1(% pred)

DLCO(% pred)

DLCO/VA(% pred)

Two months

87 ± 15 (51~114)

83 ± 13 (60~108)

69 ± 9 (47~79)

95 ± 14 (58~123)

Four months

94 ± 14 (61~123)

90 ± 13 (65~121)

76 ± 11 (48~94)

99 ± 14 (67~126)

Six months

100 ± 15† (66~136)

93 ± 12† (66~114)

76 ± 11† (52~98)

97 ± 14 (62~129)

Eleven months

103 ± 15† (66~142)

96 ± 11† (67~115)

79 ± 12† (56~98)

97 ± 14 (59~128)

F value

9.23

7.84

6.15

0.63

P value

0.0000

0.0001

0.0006

0.5936

  1. Note: *: Indicating as time after discharge from acute illness.
  2. Statistical analyses were done by one-way analysis of variance (ANOVA) and Student-Newman-Keuls for multiple comparisons, and values are given as mean ± SD;
  3. †: Compared to those in the first follow-up exam, p < 0.05.