Table IV.

Serum levels of tumor necrosis factor-α in each group (nmol/mg).

Group	Cases, n	4 h	8 h	12 h
SHAM	8	71.25±5.25	74.31±6.43	78.28±5.26
ALI	8	143.47±29.00a	234.20±13.23a	273.86±14.21a
DEX	8	98.32±27.00b	110.48±32.20b	108.72±27.42b
QYT	8	98.98±23.45b	112.34±31.97b	109.67±26.44b

^aP<0.01, vs. SHAM group;

^bP<0.05, vs. ALI group.

ALI, acute lung injury; DEX, dexamethasone; QYT, Qing Yin Tang.