Table II.

Baseline characteristics of the studies included

Study and year	Treatment groups (n)		Age (mean ± SD) or (median)		Sex (female %age)		Encephalopathy (III-IV) %age		MELD score median or mean
	NAC N = 334	Control N = 338	NAC	Control	NAC	Control	NAC	Control	NAC	Control
Nabi et al. 2017 [23]	40	40	30.60 ±11.64	38.48 ±20.11	57.5	40	42.5	27.5	31.8 ±6.7	30.48 ±5.04
Darweesh et al. 2017 [24]	85	70	33.5 ±11	34.8 ±8.8	40	40	4.7	8.5	NA	NA
Singh et al. 2013 [21]	81	92	42	40.5 p = 0.68	68	47	73	62	32	33
Lee et al. 2009 [22]	81	92	42	40.5 p = 0.68	68	47	73	62	32	33
Mumtaz et al. 2009 [25]	47	44	27.7 ±11.8	37.52 ±18.82	44.7	45.5	68.1	45.5	NA	NA

NAC – N-acetylcysteine, SD – standard deviation, MELD – model for end stage liver disease, NA – not available.