Refractory Mycoplasma Pneumonia in Children: A Systematic Review and Meta-analysis of Laboratory Features and Predictors

Table 1

Baseline characteristics.

Author	Year	Country	RMPP			NRMPP			Quality assessment
			Total	M/F	Age, years	Total	M/F	Age, years
Wang et al. [11]	2014	China	76	42/34		26	14/12		7
Mei et al. [10]	2014	China	30	18/12	6.0 (5.0 ~ 9.0)	112	61/51	5.0 (3.0 ~ 6.0)	6
Lu et al. [12]	2015	China	300	—	—	353	—	—	6
Xiao et al. [13]	2015	China	44	20/2	3.3 ~ 13.6	60	28/32	2.1 ~ 14.3	7
Wang et al. [14]	2015	China	32	13/19		110	60/50		7
Shao et al. [15]	2015	China	35	19/16	—	158	68/90	—	6
Zhang et al. [3]	2016	China	145	70/75	5.9 (3.8 ~ 8.0)	489	280/209	3.4 (1.9 ~ 6.3)	6
Zhai et al. [16]	2017	China	142	70/72		286	282/204		7
Ding et al. [17]	2018	China	108	54/54		344	198/146		6
Liu et al. [18]	2018	China	16	6/10		54	27/27		5
Xu and Shu [19]	2018	China	152	272/279		551	70/82		6
Li et al. [20]	2019	China	21	11/10		50	18/32		6
Wang et al. [21]	2019	China	60	24/36	6.7 (4.7 ~ 7.5)	40	17/23	5.5 (4.5 ~ 8.0)	8
Li et al. [22]	2019	China	58	36/22		166	120/46		7
Lee et al. [23]	2020	China	9	3/5		33	—		6
Ling et al. [24]	2020	China	86	38/48	6 (4-8)	190	112/78	6 (4-7)	6
Zhao et al. [25]	2020	China	45	28/17		109	62/47		6
Zheng et al. [26]	2020	China	73	38/35		146	79/67		7
Chen et al. [9]	2021	China	67	39/28		83	52/31		8
Huang et al. [27]	2021	China	124	61/63		306	176/130		7