Table 1 Characteristics of patients with macrolide-resistant MP pneumonia in each treatment group

Age, years

10 (8.5, 11)

9 (8.75, 10)

9 (9, 9)

0.258

Male gender

5 (29%)

32 (55%)

18 (58%)

0.125

Fever (n, %)

15 (88%)

55 (95%)

31 (100%)

0.179

Fever duration before treatment(d)

3 (2, 6.5)

3 (2, 4)

4 (2, 5)

0.114

Chest radiograph findings (n, %)

0.457

 Lobar consolidation

13 (76%)

37 (64%)

23 (74%)

 Patchy

4 (24%)

21 (36%)

8 (26%)

Pleural effusion (n, %)

6 (35%)

15 (26%)

13 (42%)

0.288

Laboratory findings

White blood cell(×10^{^9}/L)

6.2 (5.15, 7.0)

6.8 (5.5, 7.875)

7.6 (5.6, 8.7)

0.073

Neutrophil (%)

66.5 (56.9, 69.45)

64.35 (58.725, 70.100)

64.8 (53.9, 70.5)

0.947

Platelets (×10^9/L)

229 (179, 262)

212.5 (182.0, 244.5)

203 (181, 256)

0.766

C-reactive protein(mg/L)

17.7 (8.8, 35.9)

13.1 (7.0, 29.75)

17.1 (4.9, 24.5)

0.683

Procalcitonin(ng/mL)

0.081 (0.0515, 0.1375)

0.088 (0.0615, 0.1515)

0.104 (0.710, 0.156)

0.565

Lactate dehydrogenase (U/L)

269 (238.5, 308.5)

274 (244.25, 330.5)

297 (243.5, 334)

0.699