Table 4.

Review of the criteria to define remission of acromegaly and remission percentages in macroadenomas reported in the most recently published series (1997–2005)

Author	N	Criteria of remission	Remission %
van Lindert et al. [45]	40	GH <2 ng/ml after OGTT, IGF1 N	55
Abosch et al. [2]	254	Basal GH <5 ng/ml	71
Swearingen et al. [41]	129	GH <2 ng/ml after OGTT or IGF1 N or basal GH <2.5 ng/ml	48
Gittoes et al. [18]	45	GH <2 mU/l after OGTT or basal GH <5 mU/l	51
Laws et al. [29]	51	GH ≤1 ng/ml after OGTT or IGF1 N or basal GH ≤2.5 ng/ml	51
Kaltsas et al. [23]	50	Basal GH <2.5 ng/ml, IGF1 N	26
Abe and Ludecke [1]	126	Basal GH <2.5 ng/ml, IGF1 N	68
Shimon et al. [40]	44	GH <2 ng/ml basal or after OGTT, IGF1 N	64
Beauregard et al. [4]	77	GH ≤1 ng/ml after OGTT or IGF1 N or basal GH ≤2.5 ng/ml	49
Trepp et al. [43]	64	GH <1 ng/ml after OGTT or IGF1 N or basal GH <2.5 ng/ml	39
Erturk et al. [15]	19	GH ≤2 ng/ml basal or after OGTT	15
Nomikos et al. [34]	364	GH <1 ng/ml after OGTT or IGF1 N or GH <2.5 ng/ml	50

N: number of patients included; GH: growth hormone; OGTT: oral glucose tolerance test; IGF1: insulin-like growth factor type 1