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Table 2 Demographics and clinical characteristics of Mycoplasma pneumoniae pneumonia to the presence of macrolide resistance

From: Radiologic findings as a determinant and no effect of macrolide resistance on clinical course of Mycoplasma pneumoniae pneumonia

Parameters Macrolide-susceptible (N = 34) Macrolide-resistant (N = 82) P
Male gender 22 (64.7) 37 (45.1) 0.055
Age
 Mean, years ± SD 5.7 ± 3.9 6.1 ± 3.3 0.574
  < 2 years 6 (17.6) 6 (7.3) 0.104
  ≥ 2–4 years 12 (35.3) 25 (30.5)  
  ≥ 5 years 16 (47.1) 51 (62.2)  
Mean febrile days, SD 8.9 ± 3.9 9.4 ± 5.3 0.322
Fever days before initiation of macrolides
 Mean ± SD, days 4.9 ± 3.5 4.3 ± 2.6 0.315
Fever days after initiation of macrolides
 Mean ± SD, days 4.1 ± 2.9 5.7 ± 4.7 0.021
  ≥ 7 days 6 (17.6) 31 (37.8) 0.034
Oxygen requirement 5 (14.7) 15 (18.3) 0.217
Mechanical ventilator 0 (0) 2 (2.4) 1.0
Extrapulmonary signs 6 (17.6) 9 (11.0) 0.798
 Skin rash 4 (11.8) 8 (9.8) 0.745
 Hematology 1 (2.9) 1 (1.2) 0.502
  Neurologic 1 (2.9) 0 (0) 0.293
Radiology findings
 Homogeneous dense lobar consolidation 9 (26.5) 35 (42.7) 0.101
 Patchy consolidation 13 (38.2) 24 (29.3) 0.346
 Nodular opacities 7 (20.6) 12 (14.6) 0.430
 Bilateral parahilar infiltration 5 (14.7) 11 (13.4) 0.855
 Parapneumonic effusion 4 (11.8) 18 (22.0) 0.298
  1. Data are no. (%) of patients, unless otherwise indicated